Site | State | PM AQI* (ug/m3) |
Hidden Valley | AZ | 15 |
Grand Canyon ozone bench | AZ | 14 |
Yuma Supersite | AZ | 9 |
Geronimo | AZ | 9 |
Alamo Lake | AZ | 9 |
El Paso UTEP C12 | TX | 7 |
Casa Grande Downtown | AZ | 7 |
Odessa Gonzales C1014 | TX | 7 |
Ascarate Park Southeast C37 | TX | 6 |
North Phoenix | AZ | 6 |