Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

34

Thirty Third

AZ

20

West Phoenix

AZ

19

Anthony

NM

18

South Phoenix

AZ

17

Durango Complex

AZ

16

Phoenix JLG Supersite

AZ

16

Nogales Post Office

AZ

15

North Valley

NM

13

Socorro Hueco C49

TX

13