US counties by highest daily Air Quality Index (US EPA), 2018
Pinal County 1,051, the highest of 1001 counties, 2018
- Under 90
- 90 to 100
- 100 to 110
- 110 to 130
- 130 to 160
- 160 and over
- No data
Boundaries: U.S. Census Bureau cartographic boundary files.
Pinal County 1,051, the highest of 1001 counties, 2018
Boundaries: U.S. Census Bureau cartographic boundary files.