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PM-10 (1987) Maintenance Area Summary

As of October 01, 2015

  Number of 
Classification Areas  Counties 2010

Serious  4  14  21,581,065
Moderate  46  51  9,566,052
   SUBTOTAL:   50   64   31,147,117

   GRAND TOTAL:   50  64  31,147,117

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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