Site

State

PM AQI* (ug/m3)

Laredo C313

TX

25

Mission C43

TX

23

San Antonio Old Hwy90 C677

TX

19

Rome

GA

18

South DeKalb

GA

18

Confederate Ave

GA

17

Brownsville C80

TM

17

San Antonio Palo Alto C676

TX

16

Calaveras Lake C59

TX

16

Clemmons Middle

NC

16