Site

State

PM AQI* (ug/m3)

North OKC

OK

25

FRANCONIA

VA

22

JPRECC

KY

22

WATSON

KY

21

DCNearRoad

DC

21

RIVER_Terrace

DC

21

Ft. Worth Northwest C13

TX

20

BUTLER MANUF. CO NEAR REST

VA

20

Greenville-ESC

SC

19

McMillan Reservoir

DC

18