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Air pollution comes from many different sources such as factories, power plants, dry cleaners, cars, buses, trucks and even windblown dust and wildfires. Air pollution can threaten the health of human beings, trees, lakes, crops, and animals, as well as damage the ozone layer and buildings. Air pollution also can cause haze, reducing visibility in national parks and wilderness areas. EPA protects human health and the environment through the regulatory process and voluntary programs such as Energy Star and Commuter Choice. Under the Clean Air Act, EPA sets limits on how much of a pollutant is allowed in the air anywhere in the United States. Although national air quality has improved over the last 20 years, many challenges remain in protecting public health and the environment. EPA's goal is to have clean air to breathe for this generation and those to follow
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Browse these EPA Air subtopics
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Air Pollutants
Aerosols,
Asbestos,
Carbon Monoxide,
Chlorofluorocarbons (CFCs),
Criteria Air Pollutants,
Ground Level Ozone,
Hazardous Air Pollutants (HAPs),
Hydrochlorofluorocarbons (HCFCs),
Lead,
Mercury,
Nitrogen Oxides (NOx),
Particulate Matter (PM),
Propellants,
Radon,
Refrigerants,
Substitutes,
Sulfur Oxides (SO2),
Volatile Organic Compounds (VOCs)
Air Pollution
Certification Programs,
Clear Skies,
Community Involvement,
Industrial Air Pollution,
New Source Review,
Research,
State Implementation Plans,
Stationary Sources,
Testing,
Transboundary Pollution,
Urban Air Pollution
Air Pollution Control
Abatement,
Remediation,
Treatment
Air Pollution Effects
Acid Rain,
Climate Change,
Economic Effects,
Environmental Effects,
Global Warming,
Health Effects,
Risk Assessment
Air Pollution Legal Aspects
Compliance,
Enforcement,
Guidance,
Legislation,
Permits,
Regulations,
Reporting,
Standards
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Air Pollution Monitoring
Emission Factor,
Emission Inventory,
Emissions,
Measurement,
Models,
Monitoring,
World Trade Center Monitoring
Air Quality
Air Quality Criteria,
Air Quality Models,
Attainment,
Emission Factor,
Emission Inventory,
Emissions,
Emissions Measurement,
Emissions Trading,
Measurement,
Models,
Monitoring,
Nonattainment
Atmosphere
Climate Change,
Global Warming,
Ground Level Ozone,
Ozone Depletion,
Ozone Layer,
Ozone Monitoring,
Ozone Transport,
Smog,
Ultraviolet Radiation (UV)
Indoor Air Pollution
Carbon Monoxide,
Environmental Tobacco Smoke,
Fireplaces,
Mercury,
Mold,
Radon,
Sick Building Syndrome,
Vermiculite,
World Trade Center Dust Cleanup
Mobile Sources
Airplanes,
Automobiles,
Diesels,
Engines,
Fuels,
Inspection and Maintenance,
Lawn and Garden Equipment,
Locomotives,
Marine Engines,
Trucks and Buses,
Used Oil Recycling,
Vehicle Emissions
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