Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

16

Yuma Supersite

AZ

15

Casa Grande Downtown

AZ

13

Thirty Third

AZ

11

Odessa Gonzales C1014

TX

10

Eagle Pass C319

TX

10

West Phoenix

AZ

9

El Paso UTEP C12

TX

9

Ascarate Park Southeast C37

TX

9

Anthony

NM

9