Site

State

PM AQI* (ug/m3)

South Valley

NM

11

Yuma Supersite

AZ

11

Del Norte

NM

10

Hobbs Jefferson

NM

9

Nogales Post Office

AZ

8

Odessa Gonzales C1014

TX

8

Hidden Valley

AZ

8

Phoenix JLG Supersite

AZ

8

Jefferson

NM

7

Amarillo Texas A&M C320

TX

7