US counties by highest daily Air Quality Index (US EPA), 2008
Mono County 2,907, the highest of 1050 counties, 2008
- Under 90
- 90 to 100
- 100 to 120
- 120 to 140
- 140 to 160
- 160 and over
- No data
Boundaries: U.S. Census Bureau cartographic boundary files.
Mono County 2,907, the highest of 1050 counties, 2008
Boundaries: U.S. Census Bureau cartographic boundary files.