Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	39
Portola	CA	36
Sunnyside-S 16th	WA	32
Yakima-4th Ave	WA	31
Toppenish-Yakama Tribe	WA	30
Salmon PM2.5	ID	27
Rockford	IL	26
Eliza Howell- Roadway	MI	25
Clarkston-13th St	WA	24
Joliet	IL	23