Site

State

PM AQI* (ug/m3)

Laredo C313

TX

26

Mission C43

TX

23

Moore

OK

17

San Antonio Old Hwy90 C677

TX

17

Ponca City

OK

17

North OKC

OK

17

Burdens Creek

NC

16

Northampton

NC

16

Corpus Christi - National S...

TX

16

Von Ormy Highway 16

TX

16