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Lead (2008) Nonattainment Area Summary

Data is current as of April 30, 2024

Number of Areas Number of Counties 2010 Population
11 13 9,560,678

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