Site

State

PM AQI* (ug/m3)

Seeley Elementary School

MT

27

Albany

NY

26

Dallas LaCreole Middle School

OR

25

Maple Falls-Azure Way

WA

21

New Haven - Criscuolo Park

CT

20

Omak-Colville Tribe

WA

20

Bridgeport

CT

20

Libby Courthouse

MT

20

Fresno - Garland

CA

20

Salmon PM2.5

ID

19