AnatomyOrganismsDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaTechnology, Industry, AgricultureInformation ScienceNamed GroupsHealth CareGeographicals
Air PollutantsUnited States Environmental Protection AgencyAir PollutionNitrogen DioxideSulfur DioxideOzoneParticulate MatterVehicle EmissionsEnvironmental MonitoringEnvironmental ExposureAirAir Pollution, IndoorEnvironmental PollutantsWater PollutionEpidemiological MonitoringEnvironmental PollutionRespiratory Tract DiseasesOxidants, PhotochemicalParticle SizeCitiesWater PollutantsCarbon MonoxideInhalation ExposureWeatherUrban HealthWater Pollutants, ChemicalAir MovementsSmogNitrogen OxidesAir Pollutants, OccupationalMotor VehiclesSeasonsMeteorological ConceptsAcid RainPolycyclic Hydrocarbons, AromaticEnvironmental HealthAsthmaSmokeAtmosphere Exposure ChambersRespiration DisordersSoil PollutantsGasesFossil FuelsMaternal ExposureHazardous SubstancesNitric AcidWater Pollution, ChemicalTobacco Smoke PollutionBenzeneSulfur OxidesSootOrganic ChemicalsEpidemiologic StudiesIndustryVentilationDustPoisson DistributionMortalityMaximum Allowable ConcentrationVolatilizationSulfuric AcidsUrban PopulationMetals, HeavyCaliforniaAir MicrobiologyVolatile Organic CompoundsHumidityGeographic Information SystemsPolycyclic CompoundsTillandsiaExtraction and Processing IndustryEmbolism, AirRisk AssessmentHousingModels, TheoreticalCzech RepublicGeorgiaMexicoHydrocarbons, ChlorinatedLung DiseasesInfant, NewbornPetroleumAerosolsPolychlorinated BiphenylsLungPublic HealthAcroleinRegression AnalysisIndustrial WasteChinaCarcinogens, EnvironmentalIncinerationRespiratory SystemPeak Expiratory Flow RateRespiratory SoundsHydrocarbonsRisk FactorsCoalComplex MixturesClimate
OzoneCommon air pollutantsParticulateConcentrationsNational Ambient ANitrogen oxidesAttainment areaCarbonHazardous air polluStringentAmbient air qualityCriteriaParticlesTypes of pollutantsRegulationsSpecific pollutantsQualityStationaryRegulateExposureAtmosphericSources of air pollutionEPA'sBenzeneSmogEnvironmentalClean AirParticulatesConcentrationPM2.5Nonattainment areaVolatile organic cRespiratoryParticle pollutionRegulatesReduceAirborneVehicularImpactsCentral Pollution Control BoardSIPsLevelsExposuresStandardsOutdoor airGreenhouse gasesGeographic area meetsControl air pollution
Ozone44
  • All of these areas and others are subject to Clean Air Act protections because their ozone levels have exceeded the health and ecosystem-protective standards the EPA established in 2008. (sierraclub.org)
  • Under the Clean Air Act, EPA has an obligation to establish National Ambient Air Quality Standards (NAAQS) for a number of common air pollutants including ground-level ozone. (sierraclub.org)
  • Ozone-forming pollution is made up of volatile organic compounds which are prevalent in oil, gas and petrochemical development, as well as oxides of nitrogen as a result of burning fossil fuels like coal and fracked gas. (sierraclub.org)
  • Ground level ozone is a dangerous pollutant that impacts those with upper respiratory issues like asthma, causes premature birth, premature death and impacts the elderly and children significantly. (sierraclub.org)
  • The EPA's job under the Clean Air Act here is simple: determine whether these communities continue to violate the 2008 ozone standard. (sierraclub.org)
  • Reducing smog pollution is also an environmental justice concern, as many sources of ozone-forming pollution are located in low-income communities and communities of color in urban centers and rural areas. (sierraclub.org)
  • The committee reviewed the health benefits analyses contained in the regulatory impact assessments (RIAs) prepared for the following EPA rule-makings: (1) "Particulate Matter and Ozone National Ambient Air Quality Standards" (EPA 1997), (2) "Tier 2 Motor Vehicle Emissions Standards and Gasoline Sulfur Control Requirements" (EPA 1999a), and (3) "Heavy Duty Engine and Vehicle Standards and Highway Diesel Fuel Sulfur Control Requirements" (EPA 2000a). (nationalacademies.org)
  • Accordingly, EPA proposed new PM and ozone NAAQS and released an RIA evaluating the benefits and costs of the proposed standards (EPA 1997). (nationalacademies.org)
  • USEPA has designated six air pollutants, i.e., carbon monoxide, lead, nitrogen oxides, ozone, fine particulate matter and sulfur dioxide as criteria pollutants, and established health-based air concentration standards for them, known as the National Ambient Air Quality Standards (NAAQS). (ny.gov)
  • However, with the adoption of the more stringent 2008 ozone NAAQS and the current NAAQS for fine particulate matter, 11 counties 8 are currently designated as non-attainment for ozone, fine particulate matter or both pollutants. (ny.gov)
  • 10 Additionally, the SIP addresses precursors for ozone formation, but does not evaluate specific releases of toxic air pollutants that individually may be of health concern. (ny.gov)
  • The pollutants are: ground-level ozone (O3), Particle Pollution (PM10 and PM2.5), carbon monoxide (CO), sulfur dioxide (SO2), nitrogen dioxide (NO2), and lead (Pb). (louisvilleky.gov)
  • It calculated for five criteria pollutants: ground-level ozone, particle pollution, carbon monoxide, sulfur dioxide, and nitrogen dioxide. (louisvilleky.gov)
  • 2 Air Monitoring data show that the Louisville area is now meeting the standard for Ozone. (louisvilleky.gov)
  • The proposed new and increased fees are needed to cover the Department's costs related to implementing the air pollution control plan approval and operating permit process required under the CAA and APCA to attain and maintain the National Ambient Air Quality Standards (NAAQS) for air pollutants including ozone, particulate matter, lead, carbon monoxide, nitrogen dioxide and sulfur dioxide, as well as other requirements of the CAA, APCA and regulations promulgated thereunder. (pacodeandbulletin.gov)
  • Besides the new source considerations, the EPA said it would work to speed up its approval process for state plans aimed at reducing pollutants governed by the agency's National Ambient Air Quality Standards, like ozone. (miratechcorp.com)
  • In a 15-page report EPA has said it will reassess the way it issues Clean Air Act pollution permits for new facilities under the Clean Air Act and it would work to speed up its approval process for state plans aimed at reducing pollutants like ozone governed by the agency's National Ambient Air Quality Standards. (miratechcorp.com)
  • The US Environmental Protection Agency (EPA), under court order to produce a new Clean Air Act (CAA) standard for ozone before 2015, recently sent its proposed standard to the White House for approval. (lion.com)
  • Under the Clean Air Act, EPA sets protective standards known as National Ambient Air Quality Standards or NAAQS for ozone and five other "criteria pollutants": carbon monoxide, lead, nitrogen oxides, sulfur dioxide, and volatile organic compounds. (lion.com)
  • EPA last lowered its NAAQS for ozone in 2008. (lion.com)
  • Ground-level ozone, not to be confused with the atmosphere's protective ozone layer, is created by reactions between environmental pollutants, light, and heat. (utah.gov)
  • Climate change may play a part in the creation of more ground-level ozone pollution. (utah.gov)
  • 1^ Researchers have found that a combination of higher temperatures, sunlight, emissions, and air stagnation events (i.e., inversions) may result in an increase in ozone levels. (utah.gov)
  • It was also the first time in history that the annual average concentration of all six pollutants in the Air Quality Index, namely PM2.5, sulfur dioxide, nitrogen dioxide, inhalable particulate matter, carbon monoxide and ozone, met the Grade II, or the less stringent limit, of the NAAQS. (beijingreview.com.cn)
  • How You Can Help: While ozone is not emitted directly into the air, it is created by chemical reactions in the atmosphere between oxides of nitrogen (NOx) and volatile organic compounds (VOCs) and is the main ingredient in "smog. (desotocountynews.com)
  • Particulate matter, ozone, nitrogen dioxide, sulfur dioxide, carbon monoxide, and volatile organic compounds are some of the common air pollutants that can have adverse effects on human health and ecosystems. (rsbenv.com)
  • Ozone at ground level is a harmful air pollutant. (rsbenv.com)
  • Ground-level ozone is a harmful air pollutant which can cause respiratory distress and contributes to smog formation. (thepolypost.com)
  • The presence of ozone is created by the reaction of pollutants emitted by mobile and stationary sources. (thepolypost.com)
  • The Lung Association ranked Los Angeles-Long Beach metropolitan area as the worst of 227 metropolitan areas in the nation for having the worst high ozone days and stated 98% of Californians live in counties impacted by air pollution. (thepolypost.com)
  • The US Environmental Protection Agency (EPA) and other federal agencies face a number of challenges in interpreting and reconciling short-duration (seconds to minutes) readings from mobile and handheld air sensors with the longer duration averages (hours to days) associated with the National Ambient Air Quality Standards (NAAQS) for the criteria pollutants-particulate matter (PM), ozone , carbon monoxide, lead, nitrogen oxides, and sulfur oxides. (cdc.gov)
  • EPA is required under the Clean Air Act to set National Ambient Air Quality Standards (NAAQS) for ozone, as one of six criteria pollutants. (pa.gov)
  • After a thorough review of the available science relating to the adverse health effects of ozone pollution, it was determined that the 1-hour ozone standard of 0.12 parts per million (125 parts per billion with rounding) did not adequately protect the public from adverse health effects. (pa.gov)
  • On October 1, 2015, EPA strengthened the National Ambient Air Quality Standards (NAAQS) for ground-level ozone to 70 parts per billion (ppb), based on extensive scientific evidence about ozone's effects on public health and welfare. (pa.gov)
  • Ground-level ozone is a harmful air pollutant formed by the atmospheric reaction of certain ozone "precursors" - most notably nitrogen oxide (NOx) - in the presence of sunlight. (bronx.com)
  • At issue in the case is upwind pollution migrating into New York - as well as similarly situated states in the northeast - from seven upwind states that is preventing the states from attaining and/or maintaining 2008 ozone National Ambient Air Quality Standards (NAAQS). (bronx.com)
  • "EPA's failure to take immediate action will prolong harms to the state plaintiffs and the health of our residents from high ozone levels, and foreclose the ability of plaintiff states to demonstrate attainment of the 2008 NAAQs by the July 2021 deadline," the complaint states. (bronx.com)
  • The law also empowers EPA to step in and set direct limits on ozone-contributing air pollution from specific power plants and other sources of air pollution when host states have failed to do so. (bronx.com)
  • We urge EPA to move forward expeditiously with finalizing a Good Neighbor Plan for the 2015 ozone NAAQS. (catf.us)
  • CATF strongly supports the EPA's issuance of a proposed federal implementation plan for interstate transport under the 2015 National Ambient Air Quality Standard for ozone. (catf.us)
  • The Clean Air Act requires the United States Environmental Protection Agency (EPA) to set National Ambient Air Quality Standards (NAAQS) for six "Criteria Pollutants" - Particulate Matter, Ozone, Nitrogen Dioxide, Carbon Monoxide, Sulfur Dioxide, and Lead in order to protect human health and the environment from unsafe levels of these pollutants. (knoxtpo.org)
  • The Knoxville Region was formerly designated non-attainment for two of the criteria pollutants (ground-level ozone and fine particulate matter) under federal NAAQS. (knoxtpo.org)
  • The Region is now considered a Maintenance Area for both ozone and fine particulate matter and it is important that we continue to reduce pollution to continue meeting the current NAAQS as well as possible future more stringent NAAQS that may be set. (knoxtpo.org)
  • PM10: diameter ≤ 10 µm, and PM2.5: diameter ≤ 2.5 µm), and Ozone (O3), over Dongying (Shandong Province) from March-April 2018 and September-October 2019 by employing ground-based Multiple Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) observations along with the in-situ measurements attained by the national air quality monitoring platform. (bvsalud.org)
Common air pollutants2
Particulate11
Concentrations13
  • NYSDEC also is charged with developing State Implementation Plans (SIP) to set out control strategies to reduce criteria air pollutant concentrations in areas exceeding the NAAQS. (ny.gov)
  • People exposed to toxic air pollutants at sufficient concentrations and durations may have an increased chance of developing cancer or experiencing other serious health effects. (ny.gov)
  • Case-crossover analyses and multivariate conditional logistic regression were used to estimate associations between 7-day average concentrations of each air pollutant, as measured at central site monitors, and COPD exacerbation experienced in the patients' homes during the period 2012-2013, while controlling for temperature and self-reported influenza. (biomedcentral.com)
  • Despite living in an area with air pollution concentrations below current USEPA NAAQS, these COPD patients appeared to suffer increased risk of COPD exacerbation following short-term exposures to increased concentrations of SO 2 and NO 2 . (biomedcentral.com)
  • areas that do not meet the NAAQS are called nonattainment areas and must develop comprehensive state plans to reduce pollutant concentrations to a safe level. (utah.gov)
  • Air pollution concentrations are a function of meteorology and emissions. (utah.gov)
  • Areas are designated as attainment if data shows pollutant concentrations at or below the NAAQS and they are not determined to be contributing significantly to nearby areas that fail to meet the standards. (in.gov)
  • These standards aim to limit the concentrations of specific pollutants in the air to levels that are safe for human health and the environment. (rsbenv.com)
  • These standards are designed to protect public health and welfare, including the environment, by establishing maximum allowable concentrations of specific pollutants in the outdoor air. (rsbenv.com)
  • Mass concentrations of BTEX inside air environment of buses in Changsha, China. (ac.ir)
  • Preliminary assessment of BTEX concentrations in indoor air of residential buildings and atmospheric ambient air in Ardabil, Iran. (ac.ir)
  • EPA approved methods/instrumentation used for measuring ambient concentrations of specified air pollutants. (wyvisnet.com)
  • The concentrations of SO2 and NO2 were under the acceptable level, while both PM2.5, and PM10 were higher than the safe levels as prescribed by national and international air quality standards. (bvsalud.org)
National Ambient A21
  • The EPA promulgates National Ambient Air Quality Standards (NAAQS) for six airborne pollutants, CAA § 109, 42 U.S.C. § 7409, with acceptable pollution levels based on human health and welfare. (findlaw.com)
  • In 2006, the Ohio General Assembly passed Senate Bill 265 and amended Revised Code 3704.03(F) to require Ohio EPA to exempt all sources of air pollution that produce less than ten tons per year of any National Ambient Air Quality Standards ("NAAQS") pollutant or pre-cursor of a pollutant from Ohio's State Implementation Plan ("SIP") requirement that all sources of air contaminants employ BAT to reduce air emissions. (bricker.com)
  • The APCD monitors for these pollutants at six monitoring stations throughout Louisville Metro to determine the area's attainment with National Ambient Air Quality Standards as well as the Air Quality Index (AQI) . (louisvilleky.gov)
  • The monitored levels of pollutants also determine Louisville's attainment of the National Ambient Air Quality Standards (NAAQS), which are set through the Clean Air Act. (louisvilleky.gov)
  • 2.5 microns (PM 2.5 ), and COPD exacerbation were assessed among 168 patients residing in central Massachusetts, a region with air pollution levels well below USEPA National Ambient Air Quality Standards (NAAQS). (biomedcentral.com)
  • USEPA has set National Ambient Air Quality Standards (NAAQS) for six criteria air pollutants considered harmful to public health [ 7 ]. (biomedcentral.com)
  • The United States Environmental Protection Agency (EPA) has established National Ambient Air Quality Standards (NAAQS) for each of these pollutants. (utah.gov)
  • Standards are called National Ambient Air Quality Standards (NAAQS). (soilworks.com)
  • Another advantage is that these cars are compliant with the National Ambient Air Quality Standards (NAAQS) for local pollutants. (peopletoghter.com)
  • An air quality designation indicates whether air quality in a particular area meets or does not meet the National Ambient Air Quality Standards (NAAQS) for one or more of the six common, "criteria" air pollutants . (in.gov)
  • The heart of the US EPA's air quality standards lies in the National Ambient Air Quality Standards (NAAQS). (rsbenv.com)
  • The EPA also stated in its Green Book , air quality reports that provide detailed information about area National Ambient Air Quality Standards designations, classifications and nonattainment status. (thepolypost.com)
  • The National Ambient Air Quality Standards (NAAQS) set forth in the Clean Air Act play a key role in the development of air quality laws, regulations, and SIP revisions. (azdeq.gov)
  • 2009). Revised National Ambient Air Quality Standards. (ac.ir)
  • Any area that meets the National Ambient Air Quality Standards (NAAQS) for a pollutant. (wyvisnet.com)
  • A statistic that describes the air quality status of a given location relative to the level of the National Ambient Air Quality Standards (NAAQS). (wyvisnet.com)
  • Data is monitored and collected to determine compliance with the National Ambient Air Quality Standards (NAAQS). (nnph.org)
  • Nine out of ten locations were having average carbon monoxide levels above the permissible National Ambient Air Quality Standards (NAAQS). (org.pk)
  • It is one of the six air pollutants controlled by EPA's National Ambient Air Quality Standards (NAAQS). (firebaseapp.com)
  • The models are typically employed to determine whether existing or proposed new industrial facilities are or will be in compliance with the National Ambient Air Quality Standards (NAAQS) in the United States and other nations. (cloudfront.net)
  • In United States environmental law, a nonattainment area is an area considered to have air quality worse than the National Ambient Air Quality Standards (NAAQS) as defined in the Clean Air Act Amendments of 1970 (P.L. 91-604, Sec. 109). (stanford.edu)
Nitrogen oxides3
Attainment area1
  • An area may be a nonattainment area for one pollutant and an attainment area for others. (stanford.edu)
Carbon6
  • When it comes to reducing our carbon footprint, the government of India has been taking steps to reduce pollution. (peopletoghter.com)
  • Fossil fuel combustion from common household appliances is not just a significant source of carbon pollution-it also produces other toxic air pollutants with detrimental impacts to our health. (evergreenaction.com)
  • Carbon monoxide (CO) is a colorless gas that is odorless, tasteless, flammable, highly poisonous and has a density slightly less than air. (yourpowerguide.com)
  • Carbon Monoxide pollution is due to the “incomplete combustion of carbon” (Environmental Health Center, Local Air Quality). (firebaseapp.com)
  • Basic Information about Carbon Monoxide (CO) Outdoor Air Carbon Monoxide is a gas mainly emitted by vehicles or machinery that burn fossil fuels. (firebaseapp.com)
  • For pollutants that have a very high spatio-temporal variability (i.e. have very steep distance to source decay such as black carbon ) and for epidemiological studies statistical land-use regression models are also used. (cloudfront.net)
Hazardous air pollu1
  • The NESHAPs are technology-based standards, based on the Maximum Achievable Control Technology (MACT) for each hazardous air pollutant. (findlaw.com)
Stringent3
  • In these areas, businesses are subject to more stringent pollution control, reporting, and permitting requirements. (lion.com)
  • The NAAQS are set at levels that reflect the latest scientific knowledge and health studies to ensure they are stringent enough to protect the most vulnerable populations, such as children, the elderly, and those with pre-existing health conditions. (rsbenv.com)
  • Areas of the country protected under the Clean Air Act, but identified for somewhat less stringent protection from air pollution damage than a Class I Area for visibility protection. (wyvisnet.com)
Ambient air quality17
  • In that year, in Beijing, the average concentration of PM2.5 was 89.5 micrograms per cubic meter, far exceeding the annual average limit of 35 micrograms per cubic meters set by China's National Ambient Air Quality Standard (NAAQS), which became effective in 2016. (beijingreview.com.cn)
  • Within one year of a new or revised NAAQS, states provide U.S. EPA with recommendations concerning appropriate designations for counties and metropolitan areas based on ambient air quality data and other factors that may influence air quality such as population, contributions from stationary emissions sources and vehicles. (in.gov)
  • Air Quality Action Days are days when pollutant levels are anticipated to exceed any primary National Ambient Air Quality Standard (NAAQS), which are standards established by the U.S. Environmental Protection Agency to protect public health. (desotocountynews.com)
  • Note: Actual air quality trends show that Mississippi continues to meet all of EPA's ambient air quality standards. (desotocountynews.com)
  • 2003). Guidelines for ambient air quality monitoring. (ac.ir)
  • National Ambient Air Quality Monitoring Series (NAAQMS). (ac.ir)
  • Volume-II: guidelines for real time sampling & analyses CPCB, National Ambient Air Quality Series: NAAQMS/37/2012-13. (ac.ir)
  • A geographic area in which levels of a criteria air pollutant meet the health-based National Ambient Air Quality Standard (NAAQS) for that specific pollutant. (wyvisnet.com)
  • One (1) occurrence of a measured concentration that exceeds the National Ambient Air Quality Standard (NAAQS). (wyvisnet.com)
  • A monitored event, that exceeds the National Ambient Air Quality Standard (NAAQS), and affects air quality, not reasonably controllable or preventable, is an event caused by human activity that is unlikely to recur or a natural event. (wyvisnet.com)
  • AQMD is required by federal and state law to monitor ambient air quality data in Washoe County for pollutants deemed harmful by the U.S. Environmental Protection Agency (EPA). (nnph.org)
  • Planning prepares state implementation plans and emission inventories, develops local emission management regulations and programs, review ambient air quality trends, reduce mobile source emissions by promoting alternative fuel vehicles and other modes of transportation, and researches solutions to air pollution. (nnph.org)
  • The National Ambient Air Quality Standard (NAAQS) was established by Environmental Protection Agency (EPA). (yourpowerguide.com)
  • Dispersion models are important to governmental agencies tasked with protecting and managing the ambient air quality . (cloudfront.net)
  • Title 40, Part 50 of the Code of the Federal Regulations lists the ambient air quality standard for nitrogen dioxide. (stanford.edu)
  • One of the early ambient air quality, but more susceptible to the effects of successes of public health involved limiting access to a tobacco smoke or fungi. (cdc.gov)
  • 11.5 ambient air quality), which poses special problems in exposure to specific pollutants, its utility is somewhat measurement and interpretation. (cdc.gov)
Criteria10
  • Further, State Air Pollution Regulatory Agencies (SAPRA's) utilize the NAAQS to regulate criteria pollutants emitted by industries by applying the NAAQS as property line concentration limit. (usda.gov)
  • Criteria pollutants are six commonly-occurring pollutants that have been deemed harmful to public health and the environment through the Clean Air Act. (louisvilleky.gov)
  • The methods used for criteria pollutants are strictly regulated by EPA and standardized across the country. (louisvilleky.gov)
  • EPA has set national standards for six air pollutants (called criteria pollutants). (soilworks.com)
  • The NAAQS focuses on six key pollutants, commonly referred to as the criteria pollutants. (rsbenv.com)
  • SIPs outline the approach a state is going to take to bring a geographic area-and the stakeholders who conduct business and operations in the area-into "attainment," or meeting the national standards for criteria pollutants. (azdeq.gov)
  • The NAAQS set a maximum level for six pollutants, known as "criteria pollutants," in the ambient air. (azdeq.gov)
  • These criteria pollutants are the subject of SIP revisions when EPA updates the national standards. (azdeq.gov)
  • In addition to criteria pollutant plans under SIP, the Air Quality Implementation Planning (AQIP), also develops other plans required by the Clean Air Act (CAA). (azdeq.gov)
  • Additionally, the criteria pollutants (PM, SO2, and NO2) depicted strong correlations with each other except for O3 for which weak correlation coefficient was obtained with all the species. (bvsalud.org)
Particles8
  • Aerosol - a suspension of solid and/or liquid particles in a gas (like air). (cdc.gov)
  • Air filters are least efficient for particle sizes of about 0.3 microns and collect smaller and larger particles more efficiently. (cdc.gov)
  • Corrections can be applied for this self-absorption of alpha particles in some samples (e.g. air filters). (cdc.gov)
  • PM is a complex mixture of solid particles and liquid droplets suspended in air and is primarily produced during combustion of fossil fuels by transportation and stationary sources [ 8 ]. (biomedcentral.com)
  • The top of the picture is also prominently marked with the annual average concentration of PM2.5, particles in the air that are smaller than 2.5 micrometers in diameter, considered among the most harmful to health. (beijingreview.com.cn)
  • Essay for Students on Air Pollution (614 Words) Essay for Students on Air Pollution (614 Words) Article shared by Industrial processes and car exhaust release into the atmosphere gases, liquids in the vapor phase, and dust particles. (firebaseapp.com)
  • PM is measured in microns, or a millionth of a meter, and higher levels of PM floating around in the air are dangerous for our lungs, hearts, and whole bodies, because the smallest particles can pass through your lungs directly into your blood. (hypoair.com)
  • PM2.5 particles are air pollutants with an aerodynamic diameter less than 2.5 micrometers. (cdc.gov)
Types of pollutants1
Regulations13
  • The rise in global environmental issues such as air and water pollution, climate change, overflowing landfills and clearcutting have all lead to increased government regulations. (wikipedia.org)
  • Due to the efforts of the federal government and the State agencies that control air releases through regulations and permitting, the air quality in New York has greatly improved over the last 40 years. (ny.gov)
  • The New York State Department of Environmental Conservation (NYSDEC) develops regulations to control releases of air pollutants and implements Federal regulations that seek to reduce ambient air pollution. (ny.gov)
  • The Clean Air Act Regulations guides professionals through compliance with Title V permit requirements, emissions and pollution controls, annual greenhouse gas (GHG) reporting, Risk Management Planning (RMP) responsibilities, and more. (lion.com)
  • This is partly why the original Earth Day demonstrations included calls for improved air quality and greater air pollution regulations. (iaq.works)
  • One way to take action in your community is to advocate for indoor air quality legislation or stricter outdoor air quality regulations! (iaq.works)
  • The Clean Air Act empowers the EPA to establish and enforce regulations to control air pollution on a national level. (rsbenv.com)
  • It also emphasizes the importance of engaging the public and stakeholders in the development and implementation of air quality regulations. (rsbenv.com)
  • The report was released a week before the public hearing of two proposed regulations geared to reduce emissions from mobile sources, specifically on-road motorized and railway vehicles, to the California Air Resources Board. (thepolypost.com)
  • [12] Different phases of air pollution regulations came into effect after the APCA of 1955. (lsu.edu)
  • In coordination with the Air Pollution Control Hearing Board , AQMD is required by federal law to permit and inspect stationary sources of air pollution for compliance with federal and local air quality regulations. (nnph.org)
  • Periodic inspections and public complaint investigations verifies compliance with permit conditions and air quality regulations for permitted and non-permitted sources. (nnph.org)
  • At industrial facilities, this type of consequence assessment or emergency planning is required under the U.S. Clean Air Act (CAA) codified in Part 68 of Title 40 of the Code of Federal Regulations . (cloudfront.net)
Specific pollutants1
  • levels of pollutants in the environment, the levels of Finally, attributing health effects to specific pollutants is individual exposure to these pollutants, individual complicated by both the previously described factors susceptibility to the pollutants' toxic effects and the health affecting measurement and also the impact of effects attributable to the pollutants versus other influences. (cdc.gov)
Quality82
  • The CAA uses a cooperative-federalism approach to regulate air quality. (findlaw.com)
  • States create their own SIPs to bring nonattainment areas into compliance with the NAAQS and to prevent deterioration of air quality in attainment areas. (findlaw.com)
  • In attainment areas-those areas where air quality meets the NAAQS-the NSPS requires installation of the Best Available Control Technology (BACT). (findlaw.com)
  • In nonattainment areas, where the air quality does not meet NAAQS, the EPA requires that new sources emit at the Lowest Achievable Emission Rate (LAER). (findlaw.com)
  • Utah has incorporated these rules into its air-quality standards by reference in order to receive a general delegation of CAA implementation authority for its SIP. (findlaw.com)
  • Delhi Air Pollution Live: Further closure of schools in Delhi will be taken on the basis of air quality on 6th November, Monday. (indiatimes.com)
  • A layer of thick haze continues to engulf Delhi as air quality remains in the 'severe' category. (indiatimes.com)
  • The central government on Friday deferred implementation of stricter measures under the final stage of the air pollution control plan, saying curbs under Stage III were implemented only a day ago and the air quality index in Delhi-NCR is already showing a declining trend. (indiatimes.com)
  • Delhi's 24-hour average air quality index stood at 468 on Friday which falls in the "severe plus" category, a stage at which all emergency measures, including a ban on polluting trucks, commercial four-wheelers, and all types of construction, are mandated to be initiated and enforced in the National Capital Region. (indiatimes.com)
  • The air quality is in 'severe' category today as per CPCB (Central Pollution Control Board). (indiatimes.com)
  • Poor outdoor air quality leads to increases in illness and death. (ny.gov)
  • People with underlying respiratory disease, including asthma or cardiovascular disease, are particularly at risk due to poor air quality. (ny.gov)
  • A SIP evaluates the current air quality status and projects through model forecasts the effect of control measures needed to reach attainment. (ny.gov)
  • Adoption of the findings in this report will provide a means to more equitably assess the contributions of various sources to air quality. (usda.gov)
  • The Air Quality Index (AQI) is tool to used to communicate the impact of air quality on health. (louisvilleky.gov)
  • and plan approval and operating permit fees) as set forth in Annex A. This proposed rulemaking amends existing requirements in Subchapter F and existing air quality plan approval and operating permit fee schedules in Subchapter I. It also proposes new fees in Subchapter I to address the disparity between revenue and expenses for the Department of Environmental Protection's (Department) Air Quality Program. (pacodeandbulletin.gov)
  • These increased fees and new fees would be used to provide a sound fiscal basis for continued air quality assessments and planning that are fundamental to protecting the public health and welfare and the environment. (pacodeandbulletin.gov)
  • Increased funding for the Air Quality Program will also continue to allow for timely and complete review of plan approval and operating permit applications that provides the certainty businesses need to expand or locate in this Commonwealth. (pacodeandbulletin.gov)
  • These diverse environments are inhabited by equally diverse people, all of whom are affected by the air quality in our state. (utah.gov)
  • Understanding the factors that influence the quality of our air is imperative to mitigating the harmful effects of poor air quality on public health. (utah.gov)
  • Research conducted by the Division of Air Quality and its community partners informs decisions made by the Utah State Legislature to improve our air quality. (utah.gov)
  • While meteorology cannot be controlled, the emissions inventory can be controlled and is the focus of air quality control strategies for automobiles and industrial facilities. (utah.gov)
  • I have persisted in recording the changes in Beijing's air quality every day since 2013. (beijingreview.com.cn)
  • The continuous hazy weather made Zou determined to photograph the Beijing sky every day to record the changes in the city's air quality. (beijingreview.com.cn)
  • After five years of effort, the city's air quality had improved significantly, with its annual average concentration of PM2.5 falling to 58 micrograms per cubic meter in 2017, a 35.2-percent decrease from 2013. (beijingreview.com.cn)
  • Learn about Earth Day's origins, why it's important and its connection to improved air quality. (iaq.works)
  • Here's why Earth Day is important, its history and the connection between Earth Day and air quality. (iaq.works)
  • Citizens expected poor outdoor air quality prior to the Clean Air Act. (iaq.works)
  • Nevertheless, air quality and air pollution issues are not a thing of the past. (iaq.works)
  • While air quality has greatly improved, there is still a way to go to ensure healthy air quality for all. (iaq.works)
  • Explore the intersection of AI and indoor air quality. (iaq.works)
  • The first step in the process is for U.S. EPA to issue air quality designations, or determine which areas of the country are, or are not, meeting the NAAQS based on air quality factors including air monitoring data and recommendations from states. (in.gov)
  • Within two years of a new or revised NAAQS, U.S. EPA must issue air quality designations for all areas of the country utilizing air quality data and initial recommendations from the states. (in.gov)
  • The Mississippi Department of Environmental Quality (MDEQ) has issued an Air Quality Action Day for Saturday, June 3, 2023, in DeSoto County, Mississippi. (desotocountynews.com)
  • See below for more details regarding this Air Quality Action Day. (desotocountynews.com)
  • Subscribe: Daily Air Quality Forecasts for Mississippi are available to the public via the MDEQ website , MDEQ Twitter account , and email subscription . (desotocountynews.com)
  • To see current air quality conditions anywhere in the country, visit AirNow . (desotocountynews.com)
  • What are the US EPA Air Quality Standards? (rsbenv.com)
  • Recognizing the importance of clean air, the United States Environmental Protection Agency (EPA) has established air quality standards to protect public welfare and the environment. (rsbenv.com)
  • In this blog article, we will delve into the US EPA air quality standards, their development, the key pollutants they address, and their impact on improving air quality nationwide. (rsbenv.com)
  • To address these concerns, the US EPA has been at the forefront of setting air quality standards. (rsbenv.com)
  • The foundation for the US EPA's air quality standards lies in the Clean Air Act, a federal law enacted in 1963 and subsequently amended in 1970 and 1990. (rsbenv.com)
  • It sets specific requirements and deadlines for achieving air quality goals and reducing emissions from various sources, such as vehicles, industries, and power plants. (rsbenv.com)
  • The Clean Air Act recognizes that air quality standards should be based on the latest scientific knowledge and consider the impacts of air pollution on public health and welfare. (rsbenv.com)
  • In the air quality index report produced by the Environmental Protection Agency, Los Angeles County only experienced 40 days of good air quality in 2022. (thepolypost.com)
  • Lynda Lambert, an information specialist from the California Air Resources Board, mentioned the urgency to look at every contributing source, whether big or small, to address the air quality issue. (thepolypost.com)
  • Interpreting mobile and handheld air sensor readings in relation to air quality standards and health effect reference values: tackling the challenges. (cdc.gov)
  • These court cases established the right of EPA to set air quality standards based only on the impact to public health. (pa.gov)
  • Instead, there are multiple revisions to the SIP that are updated and referenced when managing Arizona's air quality. (azdeq.gov)
  • Since Arizona's first SIP submittal in 1972, SIP revisions, statutes, ordinances, and rules are continually being updated by ADEQ's Air Quality Division's SIP Section. (azdeq.gov)
  • SIPs are used to comply with the Clean Air Act, and to improve air quality for everyone and everything. (azdeq.gov)
  • Hence, it may be concluded that the number of vehicles along with the high traffic congestion on the city streets and roads results in more accumulation of aromatic compounds and deteriorate the urban air quality. (ac.ir)
  • Evaluation of environmental impacts of Integrated Industrial Estate-Pantnagar through application of air and water quality indices. (ac.ir)
  • A resource, as identified by the Federal Land Manager for one or more Federal areas, which may be adversely affected by a change in air quality. (wyvisnet.com)
  • The resource may include visibility or an ecological response to air quality. (wyvisnet.com)
  • These values include visibility and those scenic, cultural, biological, and recreation resources of an area that are affected by air quality" (43 Fed. (wyvisnet.com)
  • The official EPA Air Quality System database application used to house and store ambient monitored data. (wyvisnet.com)
  • Air Quality System code identifying a monitoring station at which air pollution data is collected by EPA, state, local and tribal air pollution control agencies. (wyvisnet.com)
  • which gave an overview of the role that building decarbonization can play in slashing indoor air pollution that poses significant threats to public health -and which is also leaked and vented outside, compromising our climate and air quality. (evergreenaction.com)
  • In this memo, we delve further into the relationship between air and housing quality-and the regulatory tools and funding resources available to improve both for communities with the greatest need. (evergreenaction.com)
  • Ultimately, the confluence of climate action, standards to meet air quality mandates, and the Inflation Reduction Act's (IRA) infusion of funds makes it possible to tackle housing challenges nationwide in ways that also address the climate and air quality crises. (evergreenaction.com)
  • As communities across the country grapple with the impacts of climate and air pollution burdens, they are also contending with an acute housing crisis, driven by a lack of affordable housing supply, inadequate public funding for maintenance and upgrades, and instability from weak tenant protections and rent stabilization policies, which threaten the health, safety, and quality of life particularly for low-income households. (evergreenaction.com)
  • The Air Quality Management Division (AQMD) implements clean air solutions that protect the quality of life for the citizens of Reno, Sparks, and Washoe County through community partnerships along with programs and services such as air monitoring, permitting and compliance, planning, and public education. (nnph.org)
  • Developing and maintaining an air pollution control program that reduces air pollution or maintains clean air quality is required by federal and state statute. (nnph.org)
  • Although the Clean Air Act requires states to act as "good neighbors" by controlling air pollution that significantly contributes to the air quality problems in other states, many upwind states have taken little or no action to meet their obligations when it comes to NOx. (bronx.com)
  • TechGape Air pollution is an undesirable and excessive addition of foreign materials to air which adversely alters its natural quality. (firebaseapp.com)
  • Vehicles and industries are mainly responsible for the deterioration of air quality in the state. (kerenvis.nic.in)
  • Air quality is therefore under increased stress around urban areas. (kerenvis.nic.in)
  • Even increasing use of fossil fuel in the transportation and industrial sectors is adversely affecting the air quality in Kerala. (kerenvis.nic.in)
  • This has resulted in traffic congestion and the resultant increase in air quality deterioration. (kerenvis.nic.in)
  • Unplanned growth has resulted in degradation of air quality due to crowding and traffic congestion. (kerenvis.nic.in)
  • Air quality deterioration in urban areas is due to increased use of fossil fuels and personal transport. (kerenvis.nic.in)
  • Therefore, they are the dominant type of model used in air quality policy making. (cloudfront.net)
  • The atmospheric dispersion models are also known as atmospheric diffusion models, air dispersion models, air quality models, and air pollution dispersion models. (cloudfront.net)
  • Using hourly air quality monitoring data for five years (2015-2019) in 332 Chinese cities, this study analyzed the spatiotemporal distribution characteristics of air quality and urban population exposure risks by different methods. (progressingeography.com)
  • The results suggest that: 1) Air quality in Chinese urban areas has improved in recent years. (progressingeography.com)
  • The trends of air quality change in the Northwest and South China were relatively slow. (progressingeography.com)
  • Fortunately, actual air quality monitoring data showed significant improvements in recent years and the Region has come into compliance with both standards such that EPA has formally re-designated the area back to attainment status. (knoxtpo.org)
  • Transportation conformity is the link between air quality planning and transportation planning and its purpose is to ensure that federal funds will not be spent on projects that cause or contribute to any new violations of the NAAQS or delay timely attainment of the standards. (knoxtpo.org)
  • It also discusses how Healthy People 2000 monitors the 1The authors wish to acknowledge the technical consultation of Tom Curran objective, the data source used, issues related to the data and Barbara Parzygnat of U.S. EPA's Office of Air Quality Planning and Standards. (cdc.gov)
  • ATLANTA, GA - The Agency for Toxic Substances and Disease Registry (ATSDR) released its final report, a "Review and Analysis of Volatile Organic Compounds (VOCs) and Metal Exposures from Air Emissions in Media Other than Air," as part of the Midlothian Area Air Quality Petition Response. (cdc.gov)
  • Two sources of environmental data were used as input to the surfacing algorithm, US Environmental Protection Agency (EPA) Air Quality System (AQS) PM2.5 in-situ data and National Aeronautics and Space Administration (NASA) Moderate Resolution Imaging Spectroradiometer (MODIS) aerosol optical depth remotely sensed data. (cdc.gov)
Stationary2
  • The statutory text at issue in the West Virginia case is contained in Section 111 of the Clean Air Act, "Standards of performance for new stationary sources" (42 U.S.C. §74111 ). (illinois.edu)
  • Regulating the amounts and types of air pollutants from stationary sources allows Washoe County to comply with the NAAQS and protect public health and the environment. (nnph.org)
Regulate5
  • At the end of its most recent and controversial term, the Supreme Court handed down a decision against the Environmental Protection Agency's efforts to regulate greenhouse gas emissions under the Clean Air Act ( West Virginia v. EPA , 142 S. Ct. (illinois.edu)
  • These are the three provisions authorizing EPA to regulate air pollution. (illinois.edu)
  • In the simplest of terms, this indicates that Congress struck the requirement that regulatory efforts are to be focused on the specific source of the pollution and broadened the authority for EPA to regulate under the best system. (illinois.edu)
  • [1] However, attempts to regulate one possible culprit, greenhouse gases (GHGs), under the Clean Air Act (CAA), [2] have led to legal challenges on both sides of the issue. (lsu.edu)
  • Under the Clean Air Act, upwind states are required to submit plans that show how they will regulate the sources of air pollution within their borders that contribute to a failure by the downwind states to meet federal clean air standards. (bronx.com)
Exposure9
  • The pollutant can exacerbate pre-existing airway inflammation, leading to increased airway hyper-responsiveness, which may persist after exposure ends. (cdc.gov)
  • Some evidence also shows that ongoing long-term exposure to these pollutants is also associated with the increasing rates of asthma development. (ny.gov)
  • In addition to exposure from breathing air toxics, some toxic air pollutants, such as mercury can deposit onto soils or surface waters, where they are taken up by plants and ingested by animals and are eventually magnified up through the food chain. (ny.gov)
  • Exposure to these pollutants has been linked to respiratory diseases, cardiovascular problems, and even premature death. (rsbenv.com)
  • These pollutants can enter into the human body through various pathways like inhalation, oral and dermal exposure posing adverse effects on human health. (ac.ir)
  • The quantitative estimate of an exposure to one or more pollutants below which significant harmful effects on specified sensitive elements of the environment do not occur according to present knowledge. (wyvisnet.com)
  • Spatiotemporal pattern and population exposure risks of air pollution in Chinese urban areas[J].PROGRESS IN GEOGRAPHY, 2021, 40(10): 1650-1663. (progressingeography.com)
  • These pollutants are regulated through the EPA setting maximum limits on exposure levels that are reviewed periodically based on current science and health studies. (knoxtpo.org)
  • diverse sources of pollution and the varied media of In chapter 11 (Environmental Health) of Healthy People pollution migration and exposure (e.g., air, water). (cdc.gov)
Atmospheric6
  • The physical environment which includes atmospheric chemistry, meteorology, and topography, combines with by-products of modern technology and industry such as emissions from vehicles and buildings, to create air pollution problems that are unique to Utah. (utah.gov)
  • Studies on the atmospheric pollution caused due to vehicular exhaust at the busy cross roads in the Peshawar city were carried out. (org.pk)
  • Air pollution is causing global warming to increase because of increasing atmospheric temperature due to the increasin Written Essay On Air Pollution ‒ Air Pollution Essay Air pollution refers to the contamination of atmospheric air due to the presence of some substances and gases from anthropogenic or natural sources which pollution harmful and poisonous effects. (firebaseapp.com)
  • Atmospheric dispersion modeling is the mathematical simulation of how air pollutants disperse in the ambient atmosphere . (cloudfront.net)
  • Meteorological conditions such as wind speed and direction, the amount of atmospheric turbulence (as characterized by what is called the 'stability class' ), the ambient air temperature, the height to the bottom of any inversion aloft that may be present, cloud cover and solar radiation. (cloudfront.net)
  • The major mechanism for the formation of NO2 in the atmosphere is the oxidation of the primary air pollutant nitric oxide (NO). NOx plays a major role, together with VOCs, in the atmospheric reactions that produce O3. (stanford.edu)
Sources of air pollution2
  • The EPA also directly regulates new sources of air pollution through technology-based New Source Performance Standards (NSPS). (findlaw.com)
  • The most notable of those is the creation of a new task force to reconsider the permitting process for new sources of air pollution under the Clean Air Act, called the New Source Review (NSR). (miratechcorp.com)
EPA's5
  • 2.6 million people in Dallas county alone are being negatively impacted by EPA's unwillingness to adhere to their obligations under the Clean Air Act, said Misti O'Quinn, Dallas resident and organizer for Sierra Club's Beyond Coal Campaign . (sierraclub.org)
  • Historical AQI Values can be accessed using the EPA's Air Data website. (louisvilleky.gov)
  • Non-attainment" regions are those where the volume of a given pollutant in the air exceeds EPA's allowable limit. (lion.com)
  • A new online course is now available to help environmental engineers, EHS managers, and compliance officers keep their facilities in compliance with the US EPA's Clean Air Act programs. (lion.com)
  • The Clean Air Act is the law that authorized the EPA's ability to set national air pollution standards. (iaq.works)
Benzene2
Smog4
  • Smog pollution harms human health and the environment in suburban, urban, and rural communities throughout the country. (sierraclub.org)
  • Those industries are responsible for large amounts of the smog-forming pollution that affects the entire region. (sierraclub.org)
  • In addition to the unprecedented massive amounts of cancer causing chemicals from Hurricane Harvey and the ITC disaster we still have to contend with smog forming pollutants along the Houston Ship Channel, said Bryan Parras, Houston resident and organizer for Sierra Club's Dirty Fuels Campaign . (sierraclub.org)
  • The federal government's refusal to enforce the Good Neighbor Provision of the Clean Air Act allows the smog caused by upwind air pollution to go unaddressed. (bronx.com)
Environmental18
  • Both the U.S. and Canada generate interactive maps of environmental indicators which show pollution emissions of individual facilities. (wikipedia.org)
  • How an environmental pollutant may affect asthma severity [IOM 2000]. (cdc.gov)
  • The United States Environmental Protection Agency (USEPA) regulates certain outdoor air pollutants under the Federal Clean Air Act. (ny.gov)
  • Toxic air pollutants, also known as hazardous air pollutants, are those pollutants known or suspected to cause cancer or other serious health effects, such as reproductive effects, birth defects, or adverse environmental effects. (ny.gov)
  • Studies that use clinically defined exacerbations rather than counting ED visits and HA may be more sensitive to environmental triggers like air pollution, but very few such studies exist. (biomedcentral.com)
  • Air pollution has been a major environmental problem in Beijing and concern over its adverse effects has resulted in the implementation of a long series of control measures. (beijingreview.com.cn)
  • According to the Beijing Environmental Protection Bureau in 2013, Beijing would invest nearly 1 trillion yuan ($161.5 billion) in combating air pollution over the following five years, of which the government would invest approximately 200 billion yuan ($32.3 billion) to 300 billion yuan ($48.4 billion). (beijingreview.com.cn)
  • Air pollution poses serious health risks and environmental challenges. (rsbenv.com)
  • James Blair, assistant professor of geography and anthropology and environmental anthropologist with a focus in environmental justice at Cal Poly Pomona, said climate change has a direct relationship with air pollution. (thepolypost.com)
  • FRL-9936-83- Region 9] Approval of California Air Plan Revisions, Placer County Air Pollution Control District Environmental Protection Agency (EPA). (justia.com)
  • AGENCY: The Environmental Protection Agency (EPA) is taking direct final action to approve a revision to the Placer County Air Pollution Control District (PCAPCD) portion of the California SIP. (justia.com)
  • Mail or deliver: Andrew Steckel (Air-4), U.S. Environmental Protection Agency Region IX, 75 Hawthorne Street, San Francisco, CA 94105-3901. (justia.com)
  • The Clean Air Act of 1970 and its subsequent amendments were passed to ensure suitable action in the fight against environmental pollution. (yourpowerguide.com)
  • New York Attorney General James today joined a federal lawsuit against the U.S. Environmental Protection Agency (EPA) over its failure to act - despite a court mandate - on the problem of air pollution from upwind states that is fouling New York's air and preventing the state from achieving compliance with federal Clean Air Act standards. (bronx.com)
  • Environmental pollution has essay different faces from air pollution essay water pollution. (firebaseapp.com)
  • The U.S. Environmental Protection Agency (EPA) has released a final action reaffirming its finding under section 112 of the Clean Air Act. (catf.us)
  • For pollutants with little or no available environmental monitoring data, ATSDR believes it would be useful to model air conditions to determine if additional sampling is necessary. (cdc.gov)
  • The review of air pollution measurements is the first of a number of ATSDR health consultations that are evaluating Midlothian's environmental data to address community concerns related to air, soil, water, sediment, health effects and animal issues. (cdc.gov)
Clean Air19
  • Under the Clean Air Act, EPA was legally obligated to determine by January 20, 2019, whether they had cleaned up their air enough to meet the 2008 standards. (sierraclub.org)
  • In its rule, the EPA has called for Utah to revise its State Implementation Plan (SIP) for the federal Clean Air Act (CAA). (findlaw.com)
  • In September 2008, the Sierra Club filed a citizen suit under the Clean Air Act ("CAA") against Ohio EPA in the U.S. District Court for the Southern District of Ohio. (bricker.com)
  • The committee also reviewed the health benefits analysis completed for the EPA prospective analysis of the benefits and costs of the 1990 Clean Air Act Amendments (CAAA) (EPA 1999b), which used methods similar to those used in the other EPA analyses reviewed by the committee. (nationalacademies.org)
  • In a 6-3 ruling, written by Chief Justice Roberts, the Court held that EPA exceeded its authority under Section 111(d) of the Clean Air Act (" CAA" ) to "compel the transfer of power generating capacity from existing sources"-chiefly, coal and natural gas power plants-"to wind and solar. (lockelord.com)
  • Thus, not surprisingly, 1970 also saw the passage of the Clean Air Act. (iaq.works)
  • Without the Clean Air Act and a federal organization with regulating power (AKA the EPA), there were no encompassing or overreaching efforts to curb air pollution. (iaq.works)
  • We are approving a local emergency episode plan that describes actions that PCAPCD will take to prevent dangerously high ambient emission levels under the Clean Air Act (CAA or the Act). (justia.com)
  • The Clean Air Act as it exists today is largely the product of three Congressional enactments amending the statute in 1970 (P.L. 91-604), 1977 (P.L. 95-95) and in 1990 (P.L. 101-549). (illinois.edu)
  • The current Clean Air Act is the successor of the Air Pollution Control Act of 1955 (APCA). (lsu.edu)
  • Arizona's State Implementation Plan (SIP) is the cumulative record of all air pollution strategies, state statutes, state rules, and local ordinances implemented under Title I of the Clean Air Act by government agencies within Arizona. (azdeq.gov)
  • As defined in the Clean Air Act, the following areas that were in existence as of August 7, 1977: national parks over 6,000 acres, national wilderness areas and national memorial parks over 5,000 acres, and international parks. (wyvisnet.com)
  • The original Clean Air Act was passed in 1963, but our national air pollution control program is actually based on the 1970 version of the law. (wyvisnet.com)
  • See also Clean Air Act pages of EPA website). (wyvisnet.com)
  • Filed in U.S. District Court in New York, the lawsuit asks the court to declare EPA in violation of the Clean Air Act for not taking action on the upwind pollution problem affecting New York and other states in the region, and to order the agency to propose and adopt completed federal plans for doing so by specific dates. (bronx.com)
  • In November 2019, the court ordered EPA to develop and implement a remedy under the "Good Neighbor Provision" of the Clean Air Act. (bronx.com)
  • Where states fail to meet that obligation, the Clean Air Act requires EPA to take action to protect downwind states. (bronx.com)
  • Among other things, the agency is required to make a formal finding that offending states have failed to submit Clean-Air-Act-compliant plans, and then - within two years - impose a federal plan to govern the offending emissions from those states. (bronx.com)
  • Clean Air Task Force harnessed its legal and technical expertise in the Clean Air Act, power sector, and climate pollution abatement to provide the EPA with detailed comments. (catf.us)
Particulates3
  • Air filter - a solid matrix used in an air sampler to collect particulates from the air, which is drawn by an air pump through the filter. (cdc.gov)
  • The smaller the particulates, the more dangerous it tends to be for us, because in dry conditions small dust can float in the air for a long time and reach down into the deepest parts of our lungs. (hypoair.com)
  • They also may not have access to better vacuums and air purifiers with HEPA filters, which are important for filtering out fine particulates from indoor air. (hypoair.com)
Concentration4
  • Although the concentration of major pollutants in the air has been decreasing each year since then, the pollution was still very serious. (beijingreview.com.cn)
  • In 2013, the Beijing Municipal Government initiated a comprehensive air pollution control program, the Beijing Clean Air Action Plan 2013-17, with the objective to reduce annual average PM2.5 concentration to approximately 60 micrograms per cubic meter by 2017. (beijingreview.com.cn)
  • The known traceable concentration of a gas used to confirm the ambient air monitor's response of a specific reference point. (wyvisnet.com)
  • The dispersion models are used to estimate the downwind ambient concentration of air pollutants or toxins emitted from sources such as industrial plants, vehicular traffic or accidental chemical releases. (cloudfront.net)
PM2.51
  • Did you know that plants and trees filter PM2.5 and PM10 from the air? (hypoair.com)
Nonattainment area1
  • Regions which are found to be out of compliance with those limits based on actual measurements of pollution at monitoring sites may be designated by EPA as a "Nonattainment Area. (knoxtpo.org)
Volatile organic c2
  • When the EPA takes its legally required action to increase clean air protections in Houston, facilities in the Ship Channel area will face stronger limits on the harmful volatile organic compounds and oxides of nitrogen they generate. (sierraclub.org)
  • No ambient air monitoring has been conducted for semi-volatile organic compounds, which include dioxins, furans, and polycyclic aromatic hydrocarbons. (cdc.gov)
Respiratory2
  • The pollutant might augment or modify immune responses to inhaled antigens or intensify the effect of other pollutants in the respiratory tract. (cdc.gov)
  • the air pollution literature has tended to count emergency department (ED) visits, hospital admissions (HA), or mortality, while studies of risk factors like infection and alternative disease management strategies have used clinical definitions such as increased respiratory symptoms or increased use of steroids and antibiotics. (biomedcentral.com)
Particle pollution1
  • On September 21, 2006, the EPA issued revisions to the NAAQS for particle pollution. (utah.gov)
Regulates3
  • The EPA directly regulates several kinds of air emissions. (findlaw.com)
  • First, the EPA regulates hazardous air pollutants by establishing National Emission Standards for Hazardous Air Pollutants (NESHAPs), which apply directly to all sources of air pollutants. (findlaw.com)
  • As part of a review President Trump mandated earlier this year, the EPA said it would undertake four new initiatives to re-evaluate how it regulates pollution. (miratechcorp.com)
Reduce8
  • There is now a trend towards sustainability in the pulp and paper industry as it moves to reduce clear cutting, water use, greenhouse gas emissions, fossil fuel consumption and clean up its influence on local water supplies and air pollution. (wikipedia.org)
  • Find out what you can do to help reduce air pollution. (utah.gov)
  • Residents and industries are asked to take action to help reduce air pollution on these days. (desotocountynews.com)
  • Even if you do it just once or twice a week, you'll reduce traffic congestion and pollution and save money. (desotocountynews.com)
  • It helps you get things done and it helps reduce traffic congestion and air pollution. (desotocountynews.com)
  • My office will continue to use every tool available to compel the EPA to follow the law, and take significant measures to reduce pollution. (bronx.com)
  • The models also serve to assist in the design of effective control strategies to reduce emissions of harmful air pollutants. (cloudfront.net)
  • Trees are a well-known asset for cities and residential areas because they help reduce air pollution, absorb excess rainwater, reduce erosion and even remediate soil to an extent. (hypoair.com)
Airborne3
  • 1 In 2016, the EPA authorized the APCD to discontinue active monitoring of airborne lead (Pb) because levels are far below the NAAQS and are not expected to increase at the present time. (louisvilleky.gov)
  • Anisokinetic sampling - a sampling condition that involves a mismatch between the air or \fluid velocity in the sampling probe and that in the stack releasing airborne effluents. (cdc.gov)
  • Discussion of the layers in the Earth's atmosphere is needed to understand where airborne pollutants disperse in the atmosphere. (cloudfront.net)
Vehicular1
  • Recommendations and suggestions to minimize the harmful effects of the gaseous pollutants due to vehicular exhaust are also described. (org.pk)
Impacts2
  • Building decarbonization therefore represents an opportunity to mitigate the negative health impacts of both indoor and outdoor air pollution from these appliances. (evergreenaction.com)
  • While the correlation between air pollution from fossil fuel appliances and negative health impacts is clear, the role that housing policy plays in reinforcing some of those relationships cannot be understated. (evergreenaction.com)
Central Pollution Control Board2
  • These standards are updated every three years by the Central Pollution Control Board (CPCB). (peopletoghter.com)
  • CPCB (Central Pollution Control Board). (ac.ir)
SIPs1
  • Attainment demonstrations are state implementation plans (SIPS) describing how the area will attain the NAAQS . (in.gov)
Levels5
  • Keep up the good work reducing emissions on days when forecasts anticipate higher pollutant levels. (desotocountynews.com)
  • Variability in the Levels of BTEX at a Pollution Hotspot in New Delhi, India. (ac.ir)
  • The systematic, long-term assessment of pollutant levels by measuring the quantity and types of certain pollutants in the surrounding, outdoor air. (wyvisnet.com)
  • Measurement of pollution levels is complicated by the smoking, dieting). (cdc.gov)
  • Some of the measurement issues in the of pollution levels is also related to physical characteristics preceding paragraphs affect the monitoring of these of the environment (e.g., temperature, wind). (cdc.gov)
Exposures1
  • Recent studies report moderately strong positive associations between exposures to several air pollutants and COPD-related emergency department (ED) visits and hospital admissions (HA). (biomedcentral.com)
Standards5
  • The primary NAAQS are health-based standards and therefore, an exceedance implies that it is likely that there will be adverse health effects for the public. (usda.gov)
  • Thus, on their face, these statutory provisions seemingly require EPA to establish source-specific emissions standards for both new and ultimately existing air emissions sources. (lockelord.com)
  • The ambient air lead standards-both the primary (health-based) and secondary (environment-based) standards-have been revised to 0.15µg/m3 (micrograms per cubic meter of air). (utah.gov)
  • In February 2001, the U.S. Supreme Court upheld the standard, unanimously rejecting arguments from a group of industries and Midwest and Southern states that EPA must balance compliance costs against the health benefits when setting ambient air standards. (pa.gov)
  • These standards help decrease pollution in the ambient air to protect human health and the environment. (azdeq.gov)
Outdoor air1
Greenhouse gases1
  • In Massachusetts, the Court ruled that greenhouse gases were "air pollutants" under the CAA. (lsu.edu)
Geographic area meets1
  • The NAAQS has two statuses: attainment, the geographic area meets or is cleaner than the national standard, or nonattainment, the area does not meet the standard. (thepolypost.com)
Control air pollution1