Site

State

PM AQI* (ug/m3)

Laredo C313

TX

22

LEEDS

AL

20

San Antonio Old Hwy90 C677

TX

19

Warner Robins

GA

19

United Ave

GA

18

Austin Webberville Road C171

TX

18

Macon Forestry

GA

17

Austin North Interstate 35 ...

TX

17

San Antonio IH35 C1069

TX

17

San Antonio Northwest C23

TX

17