Site | State | PM AQI* (ug/m3) |
Clinton C403 | TX | 23 |
San Antonio Old Hwy90 C677 | TX | 23 |
San Antonio Northwest C23 | TX | 23 |
Austin North Interstate 35 ... | TX | 22 |
Laredo C313 | TX | 22 |
Hinds CC | MS | 21 |
San Antonio IH35 C1069 | TX | 21 |
Copan | OK | 21 |
Baytown C148 | TX | 20 |
United Ave | GA | 19 |