Site

State

PM AQI* (ug/m3)

Silver City-2719 32nd Bypas...

NM

129

Yuma Supersite

AZ

14

Santa Fe-1190 S Saint Franc...

NM

13

Nogales Post Office

AZ

10

Socorro Hueco C49

TX

9

Hidden Valley

AZ

9

Phoenix JLG Supersite

AZ

7

Jefferson

NM

7

Durango Complex

AZ

7

Taos Fire Station

NM

6