Toronto chokes on world’s worst air as northern wildfires rage

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Source OTTAWA — The Big Smoke is certainly living up to its historical nickname. That’s according to Swiss-based air quality monitoring platform IQAir, which on Wednesday morning ranked Toronto, currently engulfed in a hazy pall of wildfire smoke, as the city with the world’s worst air quality. That puts Toronto ahead of some of the world’s most polluted cities, including Kinshasa in the Democratic Republic of the Congo, Lahore, Pakistan and Delhi, India — and relief doesn’t seem to be immediately in the cards. IQAir ranked Toronto with an air quality index (AQI) of 192 on Wednesday morning, putting it well into the “unhealthy” category and only a few index points away from being ranked as “very unhealthy.” Toronto’s spicy air is being caused by smoke drifting south from wildfires in northwestern Ontario, and will persist until this weekend. Kinshasa, which consistently ranks in the...