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Air quality can change quickly. Before heading outdoors this summer, check Toronto's Air Quality Health Index (AQHI) to help you make informed decisions about your health and activities: Visit https: weather.gc.ca airquality pages onaq 001_e.html to learn Can a Surgical Mask Protect You from Secondhand Smoke? Armbrust American RTN: Toronto's wildfire smoke has become so intense that current air quality is being estimated as the equivalent of smoking about 0.125 cigarettes per hour or roughly one cigarette every 8 3M 8511 N95 Disposable Respirator with Cool Flow Valve (5 Pack) 8511P5 C PS The Home Depot

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