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PM-10 (1987) Nonattainment Area Summary

Data is current as of August 31, 2020


Classification Number of Areas Number of Counties 2010 Population
Serious 6 6 4,673,999
Moderate 21 19 2,717,536
SUBTOTAL 27 24 7,391,535
 
GRAND TOTAL 27 24 7,391,535

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