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Wildfire smoke produces hazardous air pollution across the U.S.-Canada border

Smoke from an Ontario wildfire pushed Michigan's air-quality index to 616, an exceptionally hazardous level. Scientists warn that climate change could make similar pollution episodes more common.

By DoomRadar · Published on DoomRadar .

Why it matters

Cross-border wildfire smoke is creating a severe public-health hazard and may increase pressure on emergency and air-quality systems.

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  1. Michigan's AQI hit 616 after Ontario wildfire smoke crossed into the US; scientists warn a warming climate could make such pollution more common ↗timesofindia.indiatimes.com · Article published: Aug 31, 2026, 3:50 PM UTC

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