Site

State

PM AQI* (ug/m3)

KNI-Topeka

KS

78

WY/KC

KS

40

St. Joseph

MO

35

Troost

MO

30

Heritage Park

KS

29

LIBERTY

MO

29

Portola

CA

26

Blue Ridge I-70

MO

24

Clinton C403

TX

23

San Antonio Old Hwy90 C677

TX

23