Site	State	PM AQI* (ug/m3)
Huntsville Old Airport	AL	17
Mammoth Cave NP	KY	15
Rome	GA	15
United Ave	GA	13
SPRNGDLE	AR	13
Clinton C403	TX	13
El Dorado	AR	12
WYLAM	AL	12
Trenton	SC	12
Lafayette	LA	12