The Clean Air Act: Solving Air Pollution Problems with Science and Technology
National Air Quality Standards Are Based on Science
Under the Clean Air Act, science is the foundation for setting health-based air quality standards for certain common air pollutants.
EPA sets these standards based on periodic review of the latest peer-reviewed studies of each pollutant's health and environmental effects, with assistance from the Clean Air Scientific Advisory Committee (CASAC). <Learn more about the National Ambient Air Quality Standards >
National Air Emissions Standards Are Based on Technology Performance
Under the Act, EPA and states (depending on the program) set emissions limits for motor vehicles and industrial facilities. In most programs, these limits are set using data on the emissions performance and costs of available technologies. <Learn more about setting emissions standards based on technology performance>
The Act Helps to Spur Advances in Clean Technology
The challenge of cleaning the air has helped to spur development of cleaner technologies such as smokestack scrubbers, the catalytic converter, and low-VOC paints. <Learn more about the development of clean technologies>
Scientific and Technical Foundations of Clean Air Act Programs - More Resources
In implementing the Clean Air Act, EPA gathers and synthesizes scientific information on air pollution effects, and serves as a clearinghouse of data on emissions, air quality, and air pollution controls. EPA scientists and technical experts conduct state-of-the-art analyses of air pollution problems and policies using a variety of technical tools.
More information is available here.