Site

State

PM AQI* (ug/m3)

Yuma Supersite

AZ

11

Jefferson

NM

8

Hidden Valley

AZ

8

Odessa Gonzales C1014

TX

7

West Phoenix

AZ

7

Orange Grove

AZ

7

Chamizal C41

TX

7

Lubbock 12th Street

TX

7

South Valley

NM

7

Socorro Hueco C49

TX

7