Site

State

PM AQI* (ug/m3)

Hobbs Jefferson

NM

14

Ascarate Park Southeast C37

TX

12

Lubbock 12th Street

TX

11

Hidden Valley

AZ

11

Phoenix JLG Supersite

AZ

10

Nogales Post Office

AZ

9

Odessa Gonzales C1014

TX

9

Yuma Supersite

AZ

8

Socorro Hueco C49

TX

8

South Phoenix

AZ

8