Site

State

PM AQI* (ug/m3)

HOUGHTON LAKE

MI

17

ALSIP

IL

16

TRINITY

MI

16

GRAND RAPIDS

MI

16

DP4TH

MI

15

JENISON

MI

15

LANSING

MI

15

ALLEN PARK

MI

14

KALAMAZOO

MI

14

GC_MAD

IL

14