Site

State

PM AQI* (ug/m3)

Hidden Valley

AZ

31

Vallecitos-1594 CR-247

NM

26

Yuma Supersite

AZ

16

Farmington-1800 E 30th St

NM

16

South Valley

NM

15

Durango Complex

AZ

15

Jefferson

NM

14

North Valley

NM

13

Casa Grande Downtown

AZ

13

Grand Canyon ozone bench

AZ

12