Site

State

PM AQI* (ug/m3)

Thirty Third

AZ

21

Hidden Valley

AZ

20

South Phoenix

AZ

19

Durango Complex

AZ

19

Nogales Post Office

AZ

18

West Phoenix

AZ

16

Phoenix JLG Supersite

AZ

15

North Valley

NM

14

Angel Fire-11 N Angel Fire Rd

NM

12

Yuma Supersite

AZ

11