Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

19

Ascarate Park Southeast C37

TX

15

Socorro Hueco C49

TX

15

Santa Teresa

NM

12

El Paso UTEP C12

TX

12

Anthony

NM

11

Chamizal C41

TX

9

Eagle Pass C319

TX

8

Hobbs Jefferson

NM

8

Odessa Gonzales C1014

TX

7