S7/10Natural
Canadian wildfire smoke pushes Toronto air quality to world's worst, reaches US
Toronto recorded among the worst air quality of all major cities worldwide on Wednesday as thick smoke from wildfires in Ontario blanketed its skyline and drifted into the US, prompting health warnings.
⚠️ This is a probabilistic forecast, not a guarantee. Accuracy is measured only on resolved scenarios; monitor confirmation indicators below.
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Scenario analysis in progress…