Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

10

Yuma Supersite

AZ

10

Durango Complex

AZ

8

Hobbs Jefferson

NM

8

South Valley

NM

7

West Phoenix

AZ

7

South Phoenix

AZ

7

Diablo

AZ

7

Ascarate Park Southeast C37

TX

7

Amarillo Texas A&M C320

TX

7