Site

State

PM AQI* (ug/m3)

Mission C43

TX

17

Shuttlesworth

AL

15

HICKORY

NC

11

Brownsville C80

TM

10

Winter Park

FL

10

Laredo C313

TX

10

San Antonio Northwest C23

TX

9

San Antonio Old Hwy90 C677

TX

9

Chalmette Vista

LA

9

Blind Services; 1185-A Dunn...

FL

9