Site	State	PM AQI* (ug/m3)
Mammoth Cave NP	KY	22
Huntsville Old Airport	AL	20
Thibodaux	LA	16
Rome	GA	15
Clinton C403	TX	15
Gainesville	GA	14
AIR LAB	TN	14
Thomas Jefferson School C303	TX	14
United Ave	GA	14
SETRPC Mauriceville 42 C642	TX	14