Site	State	PM AQI* (ug/m3)
Ascarate Park Southeast C37	TX	33
Sidney 201	MT	31
Steubenville	OH	19
St Theodosius	OH	18
Liberty (SAHS)	PA	18
TRINITY (GHIB)	MI	18
Irmo	SC	17
Yuma Supersite	AZ	17
Broadus	MT	17
Santa Maria	CA	16