Site

State

PM AQI* (ug/m3)

Thirty Third

AZ

13

Durango Complex

AZ

12

South Phoenix

AZ

11

Socorro Hueco C49

TX

11

Geronimo

AZ

10

Phoenix JLG Supersite

AZ

9

Ascarate Park Southeast C37

TX

9

North Valley

NM

8

West Phoenix

AZ

8

Tempe

AZ

8