Toronto choked by wildfire smoke, records world's worst air quality
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.
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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