Site	State	PM AQI* (ug/m3)
Laredo C313	TX	22
Brownsville C80	TM	20
North OKC	OK	19
Mission C43	TX	18
Augusta	GA	17
Corpus Christi - National S...	TX	17
Seiling	OK	16
Near Road OKC	OK	16
HVILLE	TN	15
Corpus Christi Huisache C98	TX	15