Dense wildfire smoke set to impact Ontario by Wednesday
Surface-level smoke from wildfires is expected to move into southern Ontario starting mid-week, leading to significantly reduced air quality
Dense wildfire smoke is forecast to reach Ontario mid-week as hundreds of active wildfires in northern Ontario continue to produce significant smoke plumes.
Evacuation orders remain in place for Armstrong and Whitesand due to advancing wildfires.
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A strong jet stream is transporting the smoke southeast, with southern Ontario expected to experience degraded air quality starting Wednesday and lingering into Thursday.
Smoke may become concentrated at the surface, heightening health risks for those with respiratory conditions.
RELATED: Wildfires prompt multiple evacuations in northwestern Ontario amid extreme heat
Residents can expect hazy skies, red sunrises and sunsets, and potential odours of wildfire smoke. Those sensitive to poor air quality are advised to limit outdoor activities as conditions evolve.
Stay updated on air quality statements and advisories in the coming days.
Smoky skies observed in Cornwall, Ont., on July 14, 2026. (The Weather Network)