Site

State

PM AQI* (ug/m3)

Yuma Supersite

AZ

10

Jefferson

NM

10

South Valley

NM

10

Geronimo

AZ

9

Eagle Pass C319

TX

9

Anthony

NM

9

North Valley

NM

9

Socorro Hueco C49

TX

9

Lubbock 12th Street

TX

8

El Paso UTEP C12

TX

8