Site

State

PM AQI* (ug/m3)

LOCKELAND

TN

40

Columbia

TN

40

Jackson

TN

38

DYERSBURG

TN

37

Ponca City

OK

37

SPRINGHILL

TN

37

OWENPRI

KY

36

AIR LAB

TN

35

Near Road OKC

OK

35

JPRECC

KY

34