Site

State

PM AQI* (ug/m3)

Hurst Road

AK

89

NCore

AK

35

Calexico - Ethel Street

CA

34

Karnack C85

TX

33

A Street

AK

31

MMCA81039

CA

27

Butte (Harrison Court)

AK

24

Portola

CA

24

Salmon PM2.5

ID

23

Roosvelt

UT

21