Site

State

PM AQI* (ug/m3)

ROCKWELL

NC

20

San Antonio Old Hwy90 C677

TX

18

Mission C43

TX

17

Laredo C313

TX

16

Jackson Road

FL

15

TK Gregg

SC

15

Fort Worth CA Parkway N C1053

TX

14

Augusta

GA

14

San Antonio Northwest C23

TX

14

Denton Airport South C56

TX

14