Site

State

PM AQI* (ug/m3)

Shreveport Airport

LA

17

Jackson

TN

15

Savannah L&A

GA

14

Riverside

TN

14

DCNearRoad

DC

13

WATSON

KY

13

CHICK.

AL

13

Shuttlesworth

AL

12

SETRPC Mauriceville 42 C642

TX

12

Hattiesburg

MS

12