Site

State

PM NowCast (ug/m3)

Johnstown

PA

19

State College

PA

16

Princess Anne

MD

16

Arendtsville

PA

15

Altoona

PA

15

Horn Point

MD

14

Salladasburg

PA

13

Pocomoke City

MD

13

Tioga County

PA

12

Liberty (SAHS)

PA

12