Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

34

Yuma Supersite

AZ

13

Ascarate Park Southeast C37

TX

11

Phoenix JLG Supersite

AZ

10

Amarillo Texas A&M C320

TX

10

West Phoenix

AZ

10

Durango Complex

AZ

9

El Paso UTEP C12

TX

9

Casa Grande Downtown

AZ

8

Eastwood

AZ

8