Site

State

PM AQI* (ug/m3)

Minneapolis-Phillips

MN

15

Forest Park

MO

14

TRINITY

MI

14

Terre Haute-Lafayette Ave

IN

13

Minneapolis-Near Road

MN

12

East St. Louis

IL

11

Cincinnati Near Road

OH

11

Liberty (SAHS)

PA

11

Shakopee

MN

10

BLAIR STREET

MO

10