Toronto records world's worst air quality due to wildfire smoke
Euronews reports that thick smoke from northwestern Ontario wildfires has blanketed Toronto, resulting in the city registering the poorest air quality globally on Wednesday morning.
By Europa Express16 Jul 2026 · 06:00 CETUpdated 16 Jul 2026 · 06:00 CET
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⚡ EXECUTIVE DISPATCH BRIEFDeveloping · Climate
Core Briefing: Toronto records world's worst air quality due to wildfire smoke
Strategic Context: Euronews reports that thick smoke from northwestern Ontario wildfires has blanketed Toronto, resulting in the city registering the poorest air quality globally on Wednesday morning.
Fact Checking & Evidence: Documented status is developing across primary accredited European reporting wires and official filings.
Editorial Integrity: Independent coverage adhering to the Europa Express European Press Standards and source verification framework.
AI disclosure: Summarised from a single named source by an AI model with editorial rules; links to the original report.
According to monitoring service IQAir, Canada's largest city was engulfed in a dense orange haze on 15 July. The smoke, originating from wildfires in the northwestern region of Ontario, caused air pollution levels to peak, making Toronto the major city with the worst air quality worldwide during that period.