Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

14

Socorro Hueco C49

TX

11

South Phoenix

AZ

11

Geronimo

AZ

9

Thirty Third

AZ

8

Phoenix JLG Supersite

AZ

7

Anthony

NM

7

Yuma Supersite

AZ

7

Mesa - Brooks Reservoir

AZ

7

El Paso UTEP C12

TX

7