Site

State

PM AQI* (ug/m3)

West Phoenix

AZ

22

Nogales Post Office

AZ

20

Durango Complex

AZ

19

South Phoenix

AZ

19

Hidden Valley

AZ

18

Phoenix JLG Supersite

AZ

18

Jefferson

NM

14

South Valley

NM

14

Ascarate Park Southeast C37

TX

14

Yuma Supersite

AZ

14