Montréal - Air Quality Health Index

Observed Conditions

Past 24 hr

Current conditions not calculated

Info-Smog: conditions and forecasts

Forecast Maximums

Issued at: 6:00 AM EDT Wednesday 10 June 2026

Wednesday

3 - Low Risk

Wednesday night

2 - Low Risk

Thursday

3 - Low Risk

Thursday night

4 - Moderate 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...?

To reduce air pollution, you should limit the use small gas-powered machines such as lawnmowers, leaf blowers, chainsaws and snow blowers.

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.

Observed Conditions

Current conditions not calculated

Info-Smog: conditions and forecasts

Forecast Maximums

Wednesday

3 - Low Risk

Wednesday night

2 - Low Risk

Thursday

3 - Low Risk

Thursday night

4 - Moderate Risk

Issued at:

6:00 AM EDT Wednesday 10 June 2026

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