Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

32

Ascarate Park Southeast C37

TX

21

Eagle Pass C319

TX

20

El Paso UTEP C12

TX

15

Anthony

NM

13

Socorro Hueco C49

TX

11

Durango Complex

AZ

8

South Phoenix

AZ

8

Santa Teresa

NM

8

Phoenix JLG Supersite

AZ

7