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The Green Book Nonattainment Areas
for Criteria Pollutants

What's New

2000 populations are available for the newly designated 2008 Lead nonattainment areas and the 2006 PM-2.5 West Central Pinal, AZ nonattainment area.
2010 populations coming soon!

The "Downloads" link on the sidebar provides access to data exports, GIS shapefiles, and sets of Green Book maps.

The State Implementation Plan Status Website is now available.

As of August 30, 2011

Questions concerning the status of nonattainment areas, their classification and EPA policy should be directed to the appropriate Regional Office. EPA Headquarters should be contacted only when the Regional Office is unable to answer a question.

Areas of the country where air pollution levels persistently exceed the national ambient air quality standards may be designated "nonattainment." To view a list of areas designated nonattainment, select one of the pollutants below:

Tip:    View newly published Federal Register Notices or notices that are due to become effective after this Green Book was posted.
Or see the Notices included in this Green Book since the last posting.

Other Related Information:

Green Book Website Disclaimer

If you have questions for State or Local Air Pollution Agencies contact:
The National Association of Clean Air Agencies (formerly STAPPA and ALAPCO) at
http://www.4cleanair.org Exit EPA disclaimer and http://www.4cleanair.org/DirectoryAlapco.asp.Exit EPA disclaimer
State and Local Agency Web pages and other contacts are available
at the Partners-Working Together for Clean Air site.

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