Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

12

West Phoenix

AZ

7

Yuma Supersite

AZ

7

El Paso UTEP C12

TX

7

Ascarate Park Southeast C37

TX

7

South Valley

NM

6

Phoenix JLG Supersite

AZ

6

Durango Complex

AZ

6

Hobbs Jefferson

NM

6

Jefferson

NM

5