Site

State

PM AQI* (ug/m3)

Portola

CA

34

Bailey-60288 US-285

CO

30

Hurst Road

AK

29

Salmon PM2.5

ID

27

Gridley

CA

22

MMCA81010

CA

21

Redding-22338 Jones Valley Rd

CA

20

Cave Junction Forest Service

OR

19

El Paso UTEP C12

TX

19

MMCA81044

CA

19