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The level of air quality degradation will vary from year to year — 2023 was a particularly bad year for wildfire smoke over Michigan; last year not so much. And in 2025, the smoke has returned.

When wildfire smoke wafted from Canada across large swaths of the U.S. in 2023, it served as a wake-up call for federal safety experts. They drafted recommendations to protect outdoor workers from ...

Suzanna Crampton Red Alert Smoke from Canada's wildfires is affecting how the sun looks over Ireland Smoke from the fires is scattering sunlight, giving us a front row seat to the atmospheric impacts.

Smoke from Canadian wildfires carried another day of poor air quality south of the border, where conditions in parts of Minnesota, Wisconsin and Michigan were rated “very unhealthy” ...

An air quality advisory is in effect until 12 a.m., Saturday, June 7, as Michigan continues to see effects of Canadian wildfire smoke.

Wisconsin has seen more air quality advisories for wildfire smoke in 2025 thus far than in all of 2024. Here's how you can track it and keep yourself safe.

Waterloo Region Waterloo Region’s air quality considered ‘high risk’ as wildfire smoke spreads across Ontario As wildfire smoke levels increase, people are advised to limit time outdoors.

By JOSH FUNK Safety experts recommended Wednesday that the engines on Boeing’s troubled 737 Max airplanes be modified quickly to prevent smoke from filling the cockpit or cabin after a safety ...

Toronto Special air quality statement in place across GTA amid wildfire smoke: Environment Canada Agency has also issued special air quality statements for Toronto, swath of southern Ontario ...

The smoke has also crossed into the United States, reaching as far as Florida. Several states in the U.S. Midwest have published meteorological statements warning of “very unhealthy” air quality.