Site

State

PM AQI* (ug/m3)

MATH & SCIENCE CTR

VA

13

DCNearRoad

DC

12

Chesterfield

SC

12

San Antonio Old Hwy90 C677

TX

12

RIVER_Terrace

DC

12

Brownsville C80

TM

11

FRANCONIA

VA

11

McMillan Reservoir

DC

11

GPORT YC

MS

10

Rome

GA

9