Site

State

PM AQI* (ug/m3)

Seiling

OK

21

North OKC

OK

19

Ponca City

OK

18

Moore

OK

17

SPRNGDLE

AR

16

Copan

OK

16

MARION

AR

15

Healdton

OK

15

Glenpool

OK

15

Near Road OKC

OK

15