Montréal - Air Quality Health Index
Current conditions not calculated
Issued at: 5:00 PM EST Monday 2 February 2026
Monday night
2
- Low Risk
Tuesday
3
- Low Risk
Tuesday night
3
- Low Risk
Wednesday
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...?
High levels of air pollution can trigger or worsen asthma attacks. Asthma is the #1 cause of hospital admissions among children.
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.