Site	State	PM AQI* (ug/m3)
Watertown	SD	27
Aberdeen	SD	26
SF-USD	SD	25
Research Farm	SD	23
UC1	SD	21
Gillette SLAMS	WY	18
Chatfield Park - 11500 N. R...	CO	17
Longmont	CO	17
Denver - NJH - 14th Ave. & ...	CO	17
Yellow Brick Building	CO	16