Wildfires in Ontario make Toronto air quality worst in world
Wildfires in northern Ontario have caused severe air quality issues in Toronto, leading to health warnings and a sickly yellow sky. The fires have forced evacuations in several First Nations communities as the region also experiences a record-breaking heatwave.
Why it matters
The incident underscores the increasing frequency and intensity of climate-related disasters and their direct impact on urban air quality and public health.
The sky over Toronto turned a sickly yellow as smoke from wildfires worsened air quality. The sky over Toronto turned a sickly yellow as smoke from wildfires worsened air quality. Toronto Wildfires in Ontario make Toronto air quality worst in world Environment Canada has issued health warnings after sky over city turns yellow
Prefer the Guardian on Google Smoke from more than 100 active wildfires in northern Ontario have made Toronto’s air quality the current worst in the world and caused yellow, smoky air in cities across the north-east US.
Environment Canada issued health warnings on Wednesday after the sky over country’s largest city turned a sickly yellow and was ranked the worst in the world according to IQAir , the Swiss technology company that racks global air quality.
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