Site

State

PM AQI* (ug/m3)

Phoenix JLG Supersite

AZ

20

Nogales Post Office

AZ

18

Thirty Third

AZ

16

West Phoenix

AZ

16

Ascarate Park Southeast C37

TX

14

South Phoenix

AZ

13

Durango Complex

AZ

12

Yuma Supersite

AZ

12

Chamizal C41

TX

10

North Phoenix

AZ

9