Site

State

PM AQI* (ug/m3)

Lancaster DW

PA

22

Dover

DE

14

SEAFORD

DE

13

LUMS 2

DE

12

KILLENS

DE

11

MLK

DE

10

Rte 9 Del. City

DE

10

Rockville

MD

9

HOUGHTON LAKE

MI

9

Batavia

OH

8

TOR

PA

8