How many smog advisories were issued in previous years?

The ministry monitors air pollution levels and issues smog advisories when there is strong likelihood that widespread elevated and persistent smog levels are expected.

Ontario Smog Advisories from 2003 to 2014

Smog advisories issued for Ontario by the ministry from 2003 to 2014
Year Number of Advisories Total Number of Days
2003 7 19
2004 8 20
2005 15 53
2006 6 17
2007 13 39
2008 8 17
2009 3 5
2010 3 12
2011 5 9
2012 12 30
2013 1 2
2014 0 0

Smog Advisory Statistics

Summary by Year from 2003 to 2014

Smog Advisory Data by Year

Smog Advisories as of December 31, 2014.