Heavy smoke from several large wildfires blazing in Canada and Minnesota is engulfing large swaths of the Midwest and Northeast U.S. Toronto’s skies have turned a hazy yellow as smoke blown in from wildfires blankets Canada’s largest city and sends pollution levels soaring. On Wednesday, Toronto had the worst air quality of any major city in the world, according to Swiss firm IQAir, edging out New Delhi and Kinshasa.
In Canada, more than 100 active wildfires continue to burn in northern Ontario. The smoke has reached Toronto, where authorities are urging residents to stay indoors as air quality has dropped. The city's air quality ranked the worst in the world on July 15 as its skies were shrouded in smoke, bringing allergic reactions to many.
A thick orange haze hung over Toronto on Wednesday 15 July as smoke from wildfires in northwestern Ontario engulfed Canada's largest city, giving it the worst air quality of any major city in the world that morning, according to monitoring service IQAir.
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