Site

State

PM AQI* (ug/m3)

Hurst Road

AK

54

Maple Falls-Azure Way

WA

31

MOUNDSVILLE

WV

30

Weaverville

CA

28

Portola

CA

25

A Street

AK

24

Eau Claire

WI

24

Ponca City

OK

22

NCore

AK

22

Lancaster DW

PA

22