Site

State

PM AQI* (ug/m3)

Mission C43

TX

27

Otay Mesa - Donovan

CA

22

Laredo C313

TX

21

DETROIT-SW

MI

21

Springville

CA

20

Corpus Christi Huisache C98

TX

19

French Settlement

LA

19

El Cajon - Lexington Elemen...

CA

19

Isla Blanca C323/C667

TX

19

Shreveport Airport

LA

19