Site

State

PM AQI* (ug/m3)

Ponca City

OK

35

Jackson NCORE

MS

27

Rossiter Pump House

MT

27

Glenpool

OK

24

Moore

OK

24

Hinds CC

MS

24

Hattiesburg

MS

24

Union

OK

23

Tulsa

OK

23

Portola

CA

23