Site

State

PM AQI* (ug/m3)

Ascarate Park Southeast C37

TX

9

Eagle Pass C319

TX

8

Socorro Hueco C49

TX

8

El Paso UTEP C12

TX

7

Yuma Supersite

AZ

6

Odessa Gonzales C1014

TX

5

Geronimo

AZ

5

Jefferson

NM

4

Hobbs Jefferson

NM

4

Hidden Valley

AZ

4

Anthony

NM

4