Site

State

PM NowCast (ug/m3)

Johnstown

PA

19

Princess Anne

MD

18

State College

PA

17

Altoona

PA

15

Strongstown

PA

14

Pocomoke City

MD

14

Arendtsville

PA

13

Salladasburg

PA

12

Liberty (SAHS)

PA

12

Piney Run

MD

12