Montreal air quality ranked worst in the world due to Prairie wildfire smoke

theglobeandmail.com/canada/article-montreal-air-quality-ranked-worst-in-the-world-due-to-prairie-wildfire

Smoke from wildfires in the Canadian Prairies has led to air quality warnings across southern Quebec.
Swiss company IQAir this morning ranked Montreal as having the worst air quality in the world.

This story appeared on theglobeandmail.com, 2025-07-26 15:09:30.
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