Jump to main content or area navigation.

Contact Us

Green Book Nonattainment Areas

Downloads:   Data  |  GIS  |  Maps


This page provides links to criteria pollutant National Ambient Air Quality Standard (NAAQS) nonattainment area and county information based on data in the Green Book. The data is available in xbase (dbf) and spreadsheet (xls) formats. Where applicable, links to Green Book reports that contain information similar to the exported data are listed.

Download the data dictionary (PDF) (7 pp, 31K, about PDF) for structure details and additional information about the export files.

Please note that as of the July 2, 2014 Green Book, the exported NAAQS names have been modified to include the year of the NAAQS standard or revision.


ALLPOLLS_NAA         dbf   |   xls
A listing of all areas in nonattainment as of the Green Book posting date grouped under common area names, including area classification, county counts, and 2010 census populations. Revoked areas are not included in this export.

Example Green Book report:

AREADATA         dbf   |   xls
An area-level list of nonattainment and maintenance area status information for all NAAQS.

Example Green Book reports:

NAYRO         dbf   |   xls
This county-level export contains nonattainment and maintenance counties for each NAAQS, including revoked area counties. If more than one nonattainment area for a NAAQS is in a county, the county will be listed with a row for each nonattainment area.

Example Green Book report:

PHISTORY         dbf   |   xls
The phistory export lists all counties in nonattainment areas from 1992 to the present. There is one row for a county and NAAQS showing the years the county was in nonattainment for the NAAQS, along with additional information.

Example Green Book report:

To save the download file, click on the link. In some browsers, you will be given the choice of opening or saving the zipped files. Identify a directory for saving the zip file when prompted. If your browser loads the data onto the screen instead of asking you where to save the file, hit the back button, right click on the file, and select the save option.


While we try to keep the information timely and accurate, we make no expressed or implied guarantees. We will attempt to correct any errors brought to our attention. We request that you contact us by clicking on the "Contact Us" link near the top of this page with any comments regarding or corrections to the posted information.



Jump to main content.