The Green Book Nonattainment Areas
for Criteria Pollutants
Newly designated SO2 (2010 standard) nonattainment areas, effective Oct 4, 2013.
Shapefiles for NAAQS nonattainment designations prior to 2004 are now available under the "Downloads" section.
New boundaries creating separate Morongo Band of Mission Indians 1-hr Ozone and 8-hr Ozone (1997 standard) nonattainment areas are included in Green Book reports, maps, shapefiles, and data downloads.
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 December 05, 2013Questions 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:
- 1-Hour Ozone
- 8-Hour Ozone (2008 Standard)
- 8-Hour Ozone (1997 Standard)
- Carbon Monoxide
- Nitrogen Dioxide
- Sulfur Dioxide (2010 Standard)
- Sulfur Dioxide (1971 Standard)
- Particulate Matter PM-10
- Particulate Matter PM-2.5 (2006 Standard)
- Particulate Matter PM-2.5 (1997 Standard)
- Lead (2008 Standard)
- Lead(1978 Standard)
- All Criteria Pollutants
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