Site	State	PM AQI* (ug/m3)
Ponca City	OK	29
Mission C43	TX	23
Laredo C313	TX	23
Brownsville C80	TM	21
Trenton	SC	20
Seiling	OK	18
Corpus Christi - National S...	TX	17
Moore	OK	17
North OKC	OK	16
Near Road OKC	OK	13