Site

State

PM AQI* (ug/m3)

South Phoenix

AZ

27

Thirty Third

AZ

24

Nogales Post Office

AZ

22

Durango Complex

AZ

20

North Valley

NM

19

West Phoenix

AZ

19

Tramway

NM

15

Phoenix JLG Supersite

AZ

15

Geronimo

AZ

13

Orange Grove

AZ

12