Site

State

PM AQI* (ug/m3)

Thirty Third

AZ

23

Durango Complex

AZ

18

Hidden Valley

AZ

18

Anthony

NM

17

Nogales Post Office

AZ

16

North Valley

NM

15

Tempe

AZ

15

South Phoenix

AZ

14

Socorro Hueco C49

TX

13

Phoenix JLG Supersite

AZ

13