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Clean Air Markets

Data Resources

Power Sector Emissions, Operations, and Environmental Data

EPA’s Clean Air Markets Division (CAMD) has monitored and collected emissions and operating data from power plants since 1990. CAMD has also gathered ambient data to track changes in the environment since the mid-1980s. Click on the images below to view information on the major data tools and resources available from the Clean Air Markets Programs.

For a recorded introduction to the suite of data and tools available from CAMD, please see the April 2020 AskCAMD slides Exit or recordingExit
 You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.

CAMD's EmPOWER Air Data Challenge

Each academic year, CAMD hosts a challenge inviting researchers at universities or think tanks to submit innovative ideas for use of CAMD’s Power Sector Emissions DataClean Air Status and Trends Network (CASTNET) data, and Long Term Monitoring Network (LTM) data.

Current Status: The application period for the 3rd annual EmPOWER Air Data Challenge is now closed. Winners will be announced this spring.

Other EPA Resources

  • Emissions Inventories and Reports
    • National Emissions Inventory (NEI): a comprehensive and detailed estimate of air emissions of criteria pollutants, criteria precursors, and hazardous air pollutants from air emissions sources.

    • Inventory of U.S. Greenhouse Gas Emissions and Sinks: an annual report that provides a comprehensive accounting of total greenhouse gas emissions for all man-made sources in the U.S.

    • Greenhouse Gas Reporting Program (GHGRP): requires reporting of greenhouse gas (GHG) data and other relevant information from large GHG emission sources, fuel and industrial gas suppliers, and CO2 injection sites in the U.S.

    • Our Nation's Air: Status and Trends: This annual report, titled Our Nation's Air, summarizes the nation's air quality status and trends.