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Sulfur Dioxide (2010) Nonattainment Area Summary
Sulfur Dioxide (2010) Nonattainment Area Summary
Data is current as of May 31, 2025Number of Areas | Number of Counties | 2010 Population | 28 | 39 | 1,900,362 |
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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