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Green Book Nonattainment Areas

Sulfur Dioxide (1971) Area Information


This section provides detailed information about designations and the nonattainment area status for the SO2 (1971) National Ambient Air Quality Standard (NAAQS). Original SO2 (1971) areas were designated November 15, 1990.

  1. NewAll Designated Area Selections (Nonattainment and Maintenance)
    1. Area Listings
      1. Area/State Information
      2. Sorted by State/Area/County
      3. Sorted by Area/State/County
      4. Counties by State/Area

  2. Nonattainment Area Selections
    1. Area Listings
      1. Nonattainment Areas
      2. Sorted by State/Area/County
      3. Sorted by Area/State/County
      4. Counties by State/Area

    2. Area Designation Data
      1. Designation, Population, Counties

  3. Maintenance Area Selections (Redesignated from Nonattainment)
    1. Area Listings
      1. Maintenance Areas
      2. Sorted by State/Area/County
      3. Sorted by Area/State/County
      4. Counties by State/Area

    2. Area Designation Data
      1. Designation, Population, Counties

  4. Area Maps
    Map and GIS shapefile downloads are available from the Downloads page (see sidebar link)

    1. National Maps
      1. National Map of 1971 SO2 Nonattainment Areas

  5. Other Information
    1. Summary Reports
      1. Nonattainment Area Summary Report
      2. Maintenance Area Summary Report

    2. Designation of Areas for Air Quality Planning Purposes (November 6, 1991
      See 40 CFR PART 81 (PDF) (165 pp, 9.3 MB, about PDF)

  6. Federal Register Notices Related to SO2 (1971 Standard) Areas
    1. Notices Listed By Category
    2. Notices Listed By Area Name
    3. Notices Listed By State then Area
    4. Notices Listed By Date

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