Site

State

PM AQI* (ug/m3)

Laredo C313

TX

26

Mission C43

TX

23

Santa Teresa

NM

19

Eagle Pass C319

TX

19

Socorro Hueco C49

TX

17

Moore

OK

17

San Antonio Old Hwy90 C677

TX

17

Ponca City

OK

17

Ascarate Park Southeast C37

TX

17

North OKC

OK

17