Site

State

PM AQI* (ug/m3)

Liberty (SAHS)

PA

18

Beaver Falls

PA

16

Altoona

PA

14

Johnstown

PA

14

LANSING FILLEY ST

MI

14

Horicon Wildlife Area

WI

14

GRAND RAPIDS

MI

13

KALAMAZOO

MI

13

Eliza Howell- Roadway

MI

13

Lawrenceville

PA

13