Site

State

PM AQI* (ug/m3)

Yuma Supersite

AZ

22

Hidden Valley

AZ

12

South Valley

NM

10

Hobbs Jefferson

NM

10

Odessa Gonzales C1014

TX

9

Douglas Red Cross

AZ

9

El Paso UTEP C12

TX

9

Santa Teresa

NM

8

Lubbock 12th Street

TX

8

Del Norte

NM

8