Site

State

PM AQI* (ug/m3)

South Phoenix

AZ

14

Chamizal C41

TX

13

West Phoenix

AZ

13

Durango Complex

AZ

13

North Valley

NM

12

Nogales Post Office

AZ

11

Hidden Valley

AZ

11

Ascarate Park Southeast C37

TX

11

North Phoenix

AZ

10

Phoenix JLG Supersite

AZ

10