Site | State | PM AQI* (ug/m3) |
Ascarate Park Southeast C37 | TX | 16 |
Grand Canyon ozone bench | AZ | 13 |
Chamizal C41 | TX | 12 |
Del Norte | NM | 11 |
South Valley | NM | 10 |
Hobbs Jefferson | NM | 10 |
Odessa Gonzales C1014 | TX | 10 |
Hidden Valley | AZ | 9 |
Eagle Pass C319 | TX | 9 |
Big Bend NP | TX | 8 |