Site

State

PM AQI* (ug/m3)

JPRECC

KY

27

WATSON

KY

26

DCNearRoad

DC

25

San Antonio Old Hwy90 C677

TX

24

Near Road

KY

24

RIVER_Terrace

DC

23

Houston East C1

TX

22

King Greenleaf Rec Center

DC

21

FRANCONIA

VA

21

McMillan Reservoir

DC

20