Active AlertsPavilion Faunique du Canada, QC

Smog Warning
Issued at Fri 4:03 PM Sep. 29
Issued by: Environment and Climate Change Canada
Recommended Action

We can all help improve air quality by doing simple things, such as using public transit, reducing our driving speed and not letting our car engines idle unnecessarily.


High concentrations of fine particulates are expected and will result in poor air quality.

High concentrations of fine particulate matter are expected and will cause poor air quality at times tonight.


Smog especially affects asthmatic children and people with respiratory ailments or heart disease. It is therefore recommended that these individuals avoid intense physical activity outdoors until the smog warning is lifted.

Additional information:

To learn more about the Info-Smog program, go to Environment Canada’s website at

For air quality indexes in Quebec, visit the website of the Ministère de l'Environnement et de la Lutte contre les changements climatiques at

For more information on the air quality in Montréal and to access the Réseau de surveillance de la qualité de l’air (RSQA) for the latest air quality index, visit the website

To learn more about the effects of smog on your health in Québec, visit the Ministère de la Santé et des Services sociaux’s website at You can also visit the Direction régionale de santé publique de Montréal at

Please continue to monitor alerts and forecasts issued by Environment Canada.