Wildfire smoke is obvious, but its long-term health impacts are not

The 2025 Canadian wildfire season is on track to be the country's second worst on record, burning more than 16.5 million acres and causing wildfire smoke to travel to the Midwest and Northeast United States. Though we may know the air quality is poor through monitoring and subsequent air quality warnings, the physical and mental health implications of wildfire smoke are not entirely known.

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