Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

26

Children's Park Site

AZ

14

Geronimo

AZ

12

Yuma Supersite

AZ

11

Ascarate Park Southeast C37

TX

10

El Paso UTEP C12

TX

9

Rose Elementary

AZ

9

Socorro Hueco C49

TX

9

Thirty Third

AZ

8

Alamo Lake

AZ

8

Santa Fe Airport

NM

8