Titles link to the full text of documents.
These publications are prepared annually to provide information to the Congress and the public on the U.S. Environmental Protection Agency's most recent evaluation of status and trends in our nation's ambient air quality, as prescribed by the Clean Air Act. Air Pollution Emissions Trends Reports are prepared annually to provide information to the Congress and the public on EPA's most recent evaluation of status and trends in criteria air pollution emissions from a variety of single point and area sources, as prescribed by the Clean Air Act. They submit this hourly data in an electronic format to EPA, where the data is stored in the Emissions Tracking System. The full text of Acid Rain Program annual Compliance Reports and Emissions Scorecard reports, in PDF format, are available on this web site. The database also covers memoranda relating to CFCs, asbestos and wood stoves.