Site

State

PM AQI* (ug/m3)

Hobbs Jefferson

NM

9

Odessa Gonzales C1014

TX

9

Hidden Valley

AZ

7

Amarillo Texas A&M C320

TX

7

Nogales Post Office

AZ

7

South Valley

NM

7

Lubbock 12th Street

TX

6

El Paso UTEP C12

TX

6

Ascarate Park Southeast C37

TX

6

Yuma Supersite

AZ

6