air quality in the city of montreal improved in 2020, although the city acknowledges that while its efforts to cut down on pollution helped, the covid-19 pandemic also played a role in driving down the numbers.
the city recorded 21 days with poor air quality in 2020 , 22 fewer than in 2019 and the lowest reported number since 2014.
a ban by the city in 2018 on the use of wood-burning stoves and fireplaces is also being credited with driving down the number of smog days recorded during the winter.
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