Site

State

PM AQI* (ug/m3)

Tempe

AZ

13

Yuma Supersite

AZ

11

Ascarate Park Southeast C37

TX

10

Odessa Gonzales C1014

TX

9

South Phoenix

AZ

9

Casa Grande Downtown

AZ

8

Durango Complex

AZ

7

Hobbs Jefferson

NM

7

Anthony

NM

7

Nogales Post Office

AZ

7