Site

State

PM AQI* (ug/m3)

Mission C43

TX

27

Laredo C313

TX

21

Corpus Christi Huisache C98

TX

19

French Settlement

LA

19

Shreveport Airport

LA

19

Houston North Loop C1052

TX

18

Brownsville C80

TM

18

Baytown C148

TX

18

Houston East C1

TX

17

Karnack C85

TX

17