Site

State

PM AQI* (ug/m3)

Thirty Third

AZ

22

Chamizal C41

TX

21

West Phoenix

AZ

17

Durango Complex

AZ

16

South Phoenix

AZ

16

Phoenix JLG Supersite

AZ

14

South Valley

NM

13

Nogales Post Office

AZ

13

El Paso UTEP C12

TX

13

Ascarate Park Southeast C37

TX

11