Site

State

PM AQI* (ug/m3)

Brownsville C80

TM

59

STILWELL CASTNET & NCORE

OK

55

PECK

KS

43

Ponca City

OK

42

KNI-Topeka

KS

40

Chanute

KS

39

Moore

OK

38

Millbrook NCore

NC

38

RG_SOUTH

MO

37

WY/KC

KS

37