Site

State

PM AQI* (ug/m3)

West Phoenix

AZ

34

North Valley

NM

31

Thirty Third

AZ

29

Nogales Post Office

AZ

28

Phoenix JLG Supersite

AZ

24

South Phoenix

AZ

22

Durango Complex

AZ

21

South Valley

NM

19

Jefferson

NM

17

Socorro Hueco C49

TX

17