Site

State

PM AQI* (ug/m3)

Hobbs Jefferson

NM

9

Yuma Supersite

AZ

9

Eagle Pass C319

TX

9

Odessa Gonzales C1014

TX

8

Ascarate Park Southeast C37

TX

7

Nogales Post Office

AZ

7

South Valley

NM

6

El Paso UTEP C12

TX

6

Durango Complex

AZ

6

Diablo

AZ

6