Site

State

PM AQI* (ug/m3)

West Phoenix

AZ

19

Durango Complex

AZ

19

Nogales Post Office

AZ

18

South Phoenix

AZ

18

Hidden Valley

AZ

16

Casa Grande Downtown

AZ

16

Tempe

AZ

15

Ascarate Park Southeast C37

TX

15

South Valley

NM

14

North Valley

NM

14