Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

20

Yuma Supersite

AZ

11

Odessa Gonzales C1014

TX

9

Hobbs Jefferson

NM

9

Ascarate Park Southeast C37

TX

9

Lubbock 12th Street

TX

8

Socorro Hueco C49

TX

8

Douglas Red Cross

AZ

7

Eagle Pass C319

TX

6

El Paso UTEP C12

TX

6