Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

26

Ascarate Park Southeast C37

TX

22

Socorro Hueco C49

TX

14

Yuma Supersite

AZ

13

Odessa Gonzales C1014

TX

11

Santa Teresa

NM

11

Anthony

NM

10

Chamizal C41

TX

10

Hobbs Jefferson

NM

10

El Paso UTEP C12

TX

9