Site

State

PM AQI* (ug/m3)

Yuma Supersite

AZ

47

Ascarate Park Southeast C37

TX

13

Tempe

AZ

11

Nogales Post Office

AZ

11

Hidden Valley

AZ

11

Socorro Hueco C49

TX

9

Jefferson

NM

9

South Valley

NM

9

Hobbs Jefferson

NM

8

Odessa Gonzales C1014

TX

8