Site	State	PM AQI* (ug/m3)
Copan	OK	41
Portola	CA	32
Oak Harbor-SW 6th (US)	WA	27
Hanford - S. Irwin Street	CA	27
Seeley Elementary School	MT	26
Moses Lake-Balsam St	WA	24
Libby Courthouse	MT	24
Glenpool	OK	23
North OKC	OK	21
Ponca City	OK	21