Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

28

Geronimo

AZ

13

Children's Park Site

AZ

12

Socorro Hueco C49

TX

12

Ascarate Park Southeast C37

TX

12

Yuma Supersite

AZ

12

Thirty Third

AZ

11

Durango Complex

AZ

11

Anthony

NM

10

Las Cruces ED

NM

9