COVID-19 economic slowdown has cut air pollution in Canadian cities

Most major Canadian cities saw drastic improvements in air quality over the last two months as COVID-19 kept people at home instead of on the roads.

Experts say cleaner air, even just for a few weeks, can reduce illnesses like asthma attacks and heart attacks, which have been shown to spike when air pollution is at its worst, and which are also linked with higher risk of serious illness and death from COVID-19.

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