Site

State

PM AQI* (ug/m3)

Yuma Supersite

AZ

17

Tempe

AZ

14

Hidden Valley

AZ

14

Ascarate Park Southeast C37

TX

13

Nogales Post Office

AZ

11

West Phoenix

AZ

11

Hobbs Jefferson

NM

10

Durango Complex

AZ

10

South Valley

NM

9

Socorro Hueco C49

TX

9