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PM-10 (1987) Nonattainment Area Summary

Data is current as of November 30, 2022


Classification Number of Areas Number of Counties 2010 Population
Serious 5 5 4,527,094
Moderate 16 14 2,663,329
Nonattainment 0 0 0
SUBTOTAL 21 19 7,190,423
 
GRAND TOTAL 21 19 7,190,423

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