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Green Book Nonattainment Areas

National Area and County-Level Multi-Pollutant Information


  1. Area Multi-Pollutant Reports

    1. Summary Nonattainment Area Population Exposure Report

      This report is a summary of the population living in an area that is in nonattainment for at least one of the National Ambient Air Quality Standard (NAAQS). It groups nonattainment areas that are in similar geographic locations and estimates the total estimated population for nonattainment areas for a single NAAQS, and across all criteria NAAQS.
      Read more about the: National Ambient Air Quality Standard (NAAQS)

    2. Criteria Pollutant Nonattainment Area Summary Report

      This report includes the Number of Counties, Population and Classification with links to the list of counties in each area. The report is ordered by State then Area (all NAAQS included on a single line).

    3. Details of Criteria Pollutant Nonattainment Area Summary Report

      This report contains in a list format the same information that is in the Criteria Pollutant Nonattainment Area Summary Report. The report order is by State, Area, NAAQS (each NAAQS on a separate line).

  2. State/County Multi-Pollutant Reports

    1. Nonattainment/Maintenance Area Status for Each County by Year for All Criteria Pollutants

      These state/county reports list the annual nonattainment and maintenance status of each county by designated area name by NAAQS. Addiitional area and county information is included, e.g., the area's classification, 2010 population, and a date of the area's redesigation to maintenance.

      Output from this report may be downloaded in xls and dbf formats from the Data Download section of the Green Book under the NAYRO heading.
      See: Data Download section of the Green Book.

    2. Current Nonattainment Area Counties for All Criteria Pollutants

      This report includes only counties designated nonattainment, ordered by state, county, NAAQS.

    3. Whole or Part County Nonattainment Status by Year for All Criteria Pollutants

      This state/county report lists the annual nonattainment status of each county by NAAQS.

      Output from this report may be downloaded in xls and dbf formats from the Data Download section of the Green Book under the PHISTORY heading.
      See: Data Download section of the Green Book.

  3. National Multi-Pollutant County Maps

    1. Map of Number of NAAQS by County Designated Nonattainment - U.S. Map
    2. Map of Number of NAAQS by County Designated Nonattainment or Maintenance - U.S. Map

  4. 40 CFR Part 81

    1. 40 CFR PART 81 - Designation of Areas for Air Quality Planning Purposes

      This report includes the latest entire 40CFR Part 81 as published on the Government Printing Office web site - it accesses the Electronic Code of Federal Regulations (e-CFR) database available from the GPO. After clicking on the link, page down to "Subpart C Section 107 Attainment Status Designations" and click on a state. Within the state, the nonattainment areas are listed by pollutant.

    2. November 6, 1991 - 40 CFR PART 81 Air Quality Designations and Classifications (PDF) (165 pp, 9.3 MB, about PDF)
    3. This is the entire November 6, 1991 40CFR Part 81 area designation notice in PDF format, bookmarked by state.


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