Site

State

PM AQI* (ug/m3)

Mission C43

TX

20

Atlanta-Cherry St NW

GA

20

South DeKalb

GA

19

Warner Robins

GA

18

Trenton

SC

18

Laredo C313

TX

18

Ft. Worth Northwest C13

TX

17

SPA-Irving St.

SC

16

San Antonio Old Hwy90 C677

TX

16

Athens

GA

16