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Explanation of the symbols:

Red represents Direct Sun observations. Blue represents other types of observations.

Dashed blue lines show normal ozone, and two standard deviations above and below normal.

Thick green lines show the 31-day running mean of the observed ozone, with a minimum of 10 days in the 31-day period.

[ Canada ] [ Environment Canada ] [ Science and Technology Branch ] [ Atmospheric Science and Technology Directorate ] [ Air Quality Research Division ] [ Experimental Studies Section ]

Important Notices and Disclaimers
Created : 2004-09-23
Modified : 2017-12-12
Reviewed :
Url of this page : http://exp-studies.tor.ec.gc.ca/cgi-bin/totalozone?year=all&

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