Green Book Nonattainment Areas
At the top of each of the main pollutant National Ambient Air Quality Standards (NAAQS) pages is a new "All Designated Area Selections" section
with reports that combine nonattainment and maintenance reports.
The "Downloads" link on the sidebar provides access to data exports, GIS shapefiles, and sets of Green Book maps.
|View Addendum: Federal Register Notices published or effective after this Green Book was posted|
Areas of the country where air pollution levels persistently exceed the National Ambient Air Quality Standards (NAAQS) may be designated "nonattainment."
The EPA Green Book provides detailed information about NAAQS designations, classifications and nonattainment status. Information is provided as of the Green Book posted date and is available in reports, maps and file downloads.
See: National Ambient Air Quality Standard (NAAQS)
Questions concerning information in the Green Book and related 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.
See: EPA Regional Office Contacts or EPA Headquarters Contacts
Select one of the NAAQS below to view information about areas designated nonattainment.
|Ozone||Particulate Matter (PM)|
|8-Hour Ozone (2008 Standard)||PM-2.5 (2012 Standard)|
|8-Hour Ozone (1997 Standard)||PM-2.5 (2006 Standard)|
|1-Hour Ozone (1979 Standard)||PM-2.5 (1997 Standard)|
|PM-10 (1987 Standard)|
|Sulfur Dioxide (2010 Standard)||Lead (2008 Standard)|
|Sulfur Dioxide (1971 Standard)||Lead (1978 Standard)|
|Carbon Monoxide||Nitrogen Dioxide|
|Carbon Monoxide (1971 Standard)||Nitrogen Dioxide (1971 Standard)|
|National Area and County-Level Multi-Pollutant Information|
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