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Toronto will once again see diminished air quality on Tuesday as smoke from forest fires in other regions drift into the city ...
As the city's surface warms, it heats the air above it, causing that air to rise. This rising motion can pull in smoke-laden ...
Smoke from ongoing Canadian wildfires has led to some of the worst air quality in the world across parts of the U.S.
Environment Canada says smoke from forest fires that arrived Saturday afternoon could now linger until early Monday morning.
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