Site

State

PM AQI* (ug/m3)

Carlisle

PA

34

State College

PA

31

Rossiter Pump House

MT

29

Truckee BAM

CA

27

Lancaster

PA

27

Portola

CA

26

Lebanon

PA

25

Hammond-167th St

IN

24

Harrisburg

PA

24

G.T.Craig

OH

24