The Green Book Nonattainment Areas for Criteria PollutantsAs of January 30, 2015
Implementation of the 2008 National Ambient Air Quality Standards for Ozone: State Implementation Plan Requirements Final Rule was published on
on March 6, 2015,
effective April 6, 2015.
(see 80 FR 12264 for details)
Nonattainment area designations for the PM-2.5 2012 Standard were published
on January 15, 2015,
effective April 15, 2015.
(see 80 FR 2206 for details)
The newly designated Hayden, Arizona Lead (2008 standard) nonattainment area, effective Oct 3, 2014, is available in reports and 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.
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/standards below:
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