Site

State

PM AQI* (ug/m3)

Ascarate Park Southeast C37

TX

25

Hidden Valley

AZ

8

Santa Fe-1693 Cerro Gordo Rd

NM

7

Yuma Supersite

AZ

7

Diablo

AZ

6

Phoenix JLG Supersite

AZ

6

South Phoenix

AZ

6

El Paso UTEP C12

TX

6

Jefferson

NM

6

Geronimo

AZ

5