Site

State

PM AQI* (ug/m3)

San Antonio Old Hwy90 C677

TX

20

Harriman

TN

18

Houston North Wayside C405

TX

17

Lafayette

LA

16

MIDAIR

KY

16

MENDNHAL

NC

16

CHICK.

AL

15

Rossville-Williams St

GA

15

French Settlement

LA

15

LESTER BUILDING SYSTEMS NE...

VA

15