History of the Info-Smog Program

Launched in Quebec in 1994, the Info-Smog program informs the population about air quality and smog.

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1994

Official launch of the Info-Smog program. Smog warnings, only in summer for Greater Montreal based on ozone concentration.

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1999

A measurement campaign on the effects of wood heating was implemented following the 1998 ice storm, which drew attention to the problem of poor air quality in winter.

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2001

Launch of the winter Info-Smog program (emphasis on the concentration of fine particulate matter) for Greater Montreal.

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2002

Launch of the summer Info-Smog program (emphasis on ozone concentration) for all of southern Quebec.

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2006

Launch of the winter Info-Smog program for all of southern Quebec: 95% of Quebecers now served by the program throughout the year.

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2007

Introduction of two daily air quality forecasts instead of one.

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2008

Concentration of fine particulate matter forecasts were added to summer ozone forecasts.

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2010

Consolidation of winter and summer forecasts: forecasts no longer varied with the seasons.

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2011

Introduction of two daily air quality forecasts based on ozone and fine particulate matter concentrations at all times.