An official website of the United States government.

We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Clean Air Markets

Contact Us

Reducing Power Plant Emissions and Improving Air Quality
- Eight Things To Know: Program Highlights
Access Over 20 years of Monitored Power Plant Emissions Data
- Air Markets Program Data (AMPD)
- Emissions & Generation Database (eGRID)
View Over 20 Years of Air Quality and Deposition Monitoring Data
- Learn more about the CASTNET monitoring network.
See Data and Results from EPA’s Power Sector Modeling
- Learn about Power Sector Modeling using the Integrated Planning Model (IPM) and other modeling platforms.

Program Highlights
Environmental Issues
Basic Information

Follow Us on Social Media!

@EPAairmarkets on Twitter and Facebook

Clean Air Markets

EPA’s Clean Air Markets Division (CAMD) runs programs that reduce air pollution from power plants to address several environmental problems, including acid rain, ozone and particle pollution, and interstate transport of air pollution. CAMD programs include the Acid Rain Program (ARP), the Cross-State Air Pollution Rule (CSAPR), and the CSAPR Update.

Clean Air Markets Programs

Learn About Our Programs »

Progress

Review Our Progress »

Participants

Information for Participants »

Data Resources

Explore Data Resources »

States Covered by EPA's Acid Rain Program, Cross-State Air Pollution Rule, and/or CSAPR Update

View this map as a table

Map showing states affected by the CSAPR, CSAPR Update and Acid Rain Programs