Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

19

Yuma Supersite

AZ

16

Ascarate Park Southeast C37

TX

13

Eagle Pass C319

TX

11

Durango Complex

AZ

11

Casa Grande Downtown

AZ

11

Orange Grove

AZ

10

Geronimo

AZ

10

Eastwood

AZ

10

Odessa Gonzales C1014

TX

9