Site

State

PM AQI* (ug/m3)

Ponca City

OK

36

Albany

GA

30

Santa Teresa

NM

27

WHlthDpt

KS

27

Portola

CA

24

Socorro Hueco C49

TX

23

Laredo C313

TX

22

Anthony

NM

21

Near Road OKC

OK

21

WY/KC

KS

21