Site

State

PM AQI* (ug/m3)

San Antonio Old Hwy90 C677

TX

25

Mission C43

TX

17

Tulsa

OK

16

Ponca City

OK

16

Union

OK

15

Brownsville C80

TM

13

Thomas Jefferson School C303

TX

13

Laredo C313

TX

13

Corpus Christi - National S...

TX

13

SETRPC Mauriceville 42 C642

TX

12