Site

State

PM AQI* (ug/m3)

ADEQ-DSR

AR

20

Texarkana New Boston

TX

19

NO. BHAM

AL

18

SPRNGDLE

AR

18

Union

OK

17

Karnack C85

TX

17

Albany

GA

17

French Settlement

LA

16

STILWELL CASTNET & NCORE

OK

16

Shreveport Airport

LA

16