Site

State

PM AQI* (ug/m3)

Socorro-1072 Park St

NM

144

Yuma Supersite

AZ

13

Farmington-1800 E 30th St

NM

10

Jefferson

NM

8

El Paso UTEP C12

TX

8

Casa Grande Downtown

AZ

7

Hidden Valley

AZ

7

Eastwood

AZ

7

Amarillo Texas A&M C320

TX

7

Phoenix JLG Supersite

AZ

7