Site

State

PM AQI* (ug/m3)

Ascarate Park Southeast C37

TX

20

Eagle Pass C319

TX

13

Hidden Valley

AZ

13

Socorro Hueco C49

TX

8

Yuma Supersite

AZ

6

Odessa Gonzales C1014

TX

6

Durango Complex

AZ

6

West Phoenix

AZ

6

Phoenix JLG Supersite

AZ

6

El Paso UTEP C12

TX

5