Site

State

PM AQI* (ug/m3)

Durango Complex

AZ

25

Thirty Third

AZ

24

South Phoenix

AZ

19

Hidden Valley

AZ

15

West Phoenix

AZ

15

North Valley

NM

15

South Valley

NM

15

Socorro Hueco C49

TX

14

Geronimo

AZ

12

Ascarate Park Southeast C37

TX

12