Site

State

PM NowCast (ug/m3)

Johnstown

PA

20

Newark Firehouse

NJ

16

Altoona

PA

15

Burlington

VT

14

Lancaster DW

PA

13

Salladasburg

PA

13

Elizabeth Trailer

NJ

13

Liberty (SAHS)

PA

13

Rockville

MD

13

Newburgh

NY

12

Arendtsville

PA

12