Site

State

PM AQI* (ug/m3)

St. Andrews Park

FL

35

Union

OK

31

Greenville-ESC

SC

31

Hattiesburg

MS

29

Heritage Park

KS

27

NO. BHAM

AL

27

ROCKWELL

NC

27

Rossville-Williams St

GA

27

Columbus Airport

GA

27

Maple Falls-Azure Way

WA

26