Site

State

PM AQI* (ug/m3)

Portola

CA

40

Seeley Elementary School

MT

35

McCall

ID

25

Salmon PM2.5

ID

24

Anderson

CA

24

Pinehurst

ID

24

Libby Courthouse

MT

23

GC_MAD

IL

22

Mobile-White Salmon

WA

22

Enterprise - US Forest Service

OR

22