OzoneUltraviolet RaysOxidants, PhotochemicalAir PollutantsUltraviolet TherapySpectrophotometry, UltravioletOzone DepletionAtmosphereAir PollutionRadiation EffectsPUVA TherapyNitrogen DioxideErythemaSunlightSunscreening AgentsEnvironmental MonitoringEnvironmental ExposureMicroscopy, UltravioletChlorine CompoundsSmogDose-Response Relationship, RadiationMice, HairlessParticulate MatterInhalation ExposureSulfur DioxideStratospheric OzoneSkinChlorofluorocarbonsSeasonsIndigo CarmineDisinfectionNeoplasms, Radiation-InducedLungPyrimidine DimersRadiation GeneticsSunburnPentanesSkin PigmentationDisinfectantsSkin NeoplasmsMethoxsalenWeatherCitiesBronchoalveolar Lavage FluidDNA RepairSterilizationAir MovementsPhotosensitivity DisordersRespiratory Tract DiseasesSkin AgingEnvironment, ControlledKeratinocytesTime FactorsDNA DamagePhotochemistry