Atmospheric chemists in the Faculty of Science, including Professors Cora Young and Trevor VandenBoer and their graduate student Daniel Persaud, are participating in the 快播视频 of Winter Air Pollution in Toronto (SWAPIT), led by Environment and Climate Change Canada (ECCC). The study aims to better understand the mix of pollutants in Toronto鈥檚 urban winter air and why known pollutants haven鈥檛 declined as expected over the years.

鈥淭he unique thing about this study is that it's occurring during the winter months when there are different sources of pollutants from indoor heating to the de-icing of highways, which could have impacts. It is now evident that the levels of some pollutants are elevated in the winter months,鈥� says Persaud. 鈥淢ost of the other studies focused on smog, which normally occurs during the summer months.鈥�

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