Site | State | PM AQI* (ug/m3) |
St. Marks Wildlife Refuge | FL | 18 |
Houston East C1 | TX | 18 |
Ponca City | OK | 17 |
MIDAIR | KY | 17 |
Houston Westhollow C410 | TX | 16 |
Clinton C403 | TX | 16 |
San Antonio Old Hwy90 C677 | TX | 15 |
Baytown C148 | TX | 15 |
SETRPC Mauriceville 42 C642 | TX | 15 |
SYDNEY | FL | 14 |