Site

State

PM AQI* (ug/m3)

HOUGHTON LAKE

MI

14

Elizabeth Trailer

NJ

11

Arendtsville

PA

11

Millville

NJ

11

Davenport, 10th & Vine

IA

10

Cicero2

IL

10

Johnstown

PA

10

Cleveland Near Road

OH

10

Harrisburg

PA

9

Altoona

PA

9