Site	State	PM AQI* (ug/m3)
Laredo C313	TX	20
Mission C43	TX	18
Brownsville C80	TM	17
Mammoth Cave NP	KY	16
ADEQ-DSR	AR	16
LOCKLAND	TN	15
Corpus Christi Dona Park C635	TX	15
LEGGETT	NC	15
Corpus Christi Huisache C98	TX	14
Burdens Creek	NC	14