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PM-2.5 (1997) Nonattainment Area Summary

As of October 01, 2015

  Number of 
Classification Areas  Counties 2010

Serious  1  8  3,842,165
Moderate  9  58  27,898,887
   SUBTOTAL:   10   66   31,741,052

   GRAND TOTAL:   10  66  31,741,052

County subtotals and grand totals may not equal sum of parts. Part counties are only counted one time within groupings. Multi-state nonattainment areas are not considered maintenance areas until all states in the area have been redesignated

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