Site

State

PM AQI* (ug/m3)

South Valley

NM

7

Amarillo Texas A&M C320

TX

7

Hobbs Jefferson

NM

6

West Phoenix

AZ

6

Lubbock 12th Street

TX

5

Jefferson

NM

5

El Paso UTEP C12

TX

5

Yuma Supersite

AZ

5

Del Norte

NM

5

Durango Complex

AZ

4