Site

State

PM AQI* (ug/m3)

North Valley

NM

23

South Valley

NM

20

Chamizal C41

TX

18

El Paso UTEP C12

TX

15

Ascarate Park Southeast C37

TX

13

Anthony

NM

13

Durango Complex

AZ

12

Thirty Third

AZ

12

Jefferson

NM

12

Socorro Hueco C49

TX

11