Montréal - Air Quality Health Index

Observed Conditions

Current conditions not calculated

Info-Smog: conditions and forecasts



Forecast Maximums

Issued at: 6:00 AM EDT Saturday 25 April 2026

Saturday

2 - Low Risk

Saturday night

2 - Low Risk

Sunday

2 - Low Risk

Sunday night

2 - Low Risk

Who is at risk?

People with heart and lung conditions are most affected by air pollution.

To find out if you are at risk, consult the health guide, or your physician.

Visit the national AQHI Web site to learn more about the AQHI.

Did you know...?

Air pollution makes asthma symptoms worse, such as coughing, wheezing, tightness in the chest and shortness of breath.


The AQHI is an initiative of Environment Canada and Health Canada. The AQHI forecast in Quebec is made possible, in part, by data from the air quality monitoring networks of the ministère de l'Environnement et de la Lutte contre les changements climatiques du Québec and the City of Montréal.

AQHIScale

Observed Conditions


Current conditions not calculated

Info-Smog: conditions and forecasts

 

Forecast Maximums


Saturday
2 - Low Risk



Saturday night
2 - Low Risk



Sunday
2 - Low Risk



Sunday night
2 - Low Risk




Issued at:

6:00 AM EDT Saturday 25 April 2026

 

The AQHI is an initiative of Environment Canada and Health Canada. The AQHI forecast in Quebec is made possible, in part, by data from the air quality monitoring networks of the ministère de l'Environnement et de la Lutte contre les changements climatiques du Québec and the City of Montréal.

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