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Particulate Matter (PM-10) Information

This page provides detailed information on classifications of particulate matter nonattainment areas.
  1. Nonattainment Area Selections
    1. Area Listings
      1. Classified Areas Sorted by Classification
      2. Sorted by State/Area/County
      3. Sorted by Area/State/County
    2. Area Maps
      1. Classification by County - U.S. Map
    3. Area Designation Data
      1. Classified

  2. Maintenance Area Selections (Previously Nonattainment Areas)
    1. Area Listings
      1. Classified Areas Sorted by Classification
      2. Sorted by State/Area/County
      3. Sorted by Area/State/County
    2. Area Designation Data
      1. Classified

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

  4. Federal Register Notices Relating to PM-10 Designations and Classifications
    1. Revised Particulate Matter NAAQS Notices
      1. Proposed Revisions to Particulate Matter NAAQS Federal Register Notice (January 17, 2006) (PDF)
      2. Final Revisions to Particulate Matter NAAQS Federal Register Notice (October 17, 2006) (PDF)
    2. Designation Notices
      1. Designations and Classifications for Initial PM-10 Nonattainment Areas Federal Register Notice (March 15, 1991) (PDF)
      2. November 6, 1991 - 40 CFR PART 81 Air Quality Designations and Classifications (PDF)
      3. Reclassification of Moderate PM-10 Nonattainment Areas to Serious Areas Federal Register Notice (January 8, 1993) (PDF)
      4. Designation of Areas for Air Quality Planning Purposes Federal Register Notice (December 21, 1993) (PDF)
      5. Proposed Designation of New "West Pinal, AZ" PM-10 Nonattainment Area Federal Register Notice (October 1, 2010) (PDF)
    3. Other Associated Federal Register Notices
      1. Clean Air Determination/Attainment Determinations
      2. Attainment Date Extensions
        3.   These extensions modify the dates shown in the nonattainment areas above
      3. Changes to a Higher Classification
      4. All Notices
        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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