Site

State

PM AQI* (ug/m3)

West Phoenix

AZ

21

Chamizal C41

TX

17

South Phoenix

AZ

16

Tempe

AZ

16

Durango Complex

AZ

15

Ascarate Park Southeast C37

TX

15

Phoenix JLG Supersite

AZ

14

Geronimo

AZ

13

Socorro Hueco C49

TX

12

Anthony

NM

12