Site

State

PM AQI* (ug/m3)

Yuma Supersite

AZ

16

Durango Complex

AZ

10

Hidden Valley

AZ

9

Chamizal C41

TX

9

North Valley

NM

9

Jefferson

NM

9

Eastwood

AZ

8

El Paso UTEP C12

TX

8

Nogales Post Office

AZ

8

Phoenix JLG Supersite

AZ

7