Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

16

Santa Teresa

NM

12

Chamizal C41

TX

10

Jefferson

NM

10

Thirty Third

AZ

10

Casa Grande Downtown

AZ

9

South Valley

NM

8

Durango Complex

AZ

8

Tramway

NM

7

Yuma Supersite

AZ

7