Site

State

PM AQI* (ug/m3)

ARNOLD WEST

MO

16

Lancaster

PA

15

Manhattan/IS143

NY

12

Minneapolis-Near Road

MN

12

Minneapolis-Phillips

MN

12

Eau Claire

WI

12

Lancaster DW

PA

12

St. Paul-Harding H.S.

MN

11

East St. Louis

IL

11

Kittanning

PA

11