Site

State

PM AQI* (ug/m3)

Brownsville C80

TM

59

STILWELL CASTNET & NCORE

OK

55

Ponca City

OK

42

Moore

OK

38

Millbrook NCore

NC

38

North OKC

OK

37

Seiling

OK

36

Near Road OKC

OK

36

Durham Armory

NC

36

LWATTOWR

NC

35