Site

State

PM AQI* (ug/m3)

Big Bend NP

TX

12

Amarillo Texas A&M C320

TX

11

Hidden Valley

AZ

10

Yuma Supersite

AZ

10

Lubbock 12th Street

TX

10

Odessa Gonzales C1014

TX

10

Jefferson

NM

9

El Paso UTEP C12

TX

9

South Valley

NM

9

Hobbs Jefferson

NM

9