8-Hour Ozone Exceedences

• Summer 2009

• Summer 2008

• Summer 2007

• Summer 2006

• Summer 2005

• Summer 2004

• Summer 2003

• Summer 2002

• Summer 2001

1-Hour Ozone Exceedences

• Greater Cincinnati Area 1990 - 2009

PM2.5 Readings Over 35 ug/m3

• Summer 2009

• Summer 2008

• Summer 2007

• Summer 2006

• Summer 2005

History of PM2.5 Readings Over 35 ug/m3
 

Smog Season History - Greater Cincinnati Area

Ohio Smog Alert Activity
 

For additional  information, please contact Sarah Dowers at
(513) 946-7748 or sarah.dowers@hamilton-co.org.