Site

State

PM NowCast (ug/m3)

Steubenville

OH

19

Liberty (SAHS)

PA

17

Holbrook

PA

16

Hillcrest HS

MO

15

Altoona

PA

14

Beaver Falls

PA

14

Greensburg

PA

14

Blue Ridge I-70

MO

13

Charleroi

PA

13

Parkway East (Near Road)

PA

13

Florence

PA

13