Site

State

PM AQI* (ug/m3)

Thirty Third

AZ

25

Durango Complex

AZ

22

South Phoenix

AZ

18

Hidden Valley

AZ

18

South Valley

NM

17

Nogales Post Office

AZ

16

West Phoenix

AZ

16

North Valley

NM

15

Phoenix JLG Supersite

AZ

14

Socorro Hueco C49

TX

14