Two canoeists who became trapped by a fast-moving wildfire in northwestern Ontario have been rescued, after what their outfitter says was a near-death ordeal. The rescue comes as smoke from wildfires in northwestern Ontario continues to blanket parts of the province, giving Toronto the worst air quality among major cities worldwide on Wednesday.The province is also fighting multiple heat warnings, issued by Environment Canada as temperatures climbed into the 30s and humidex in the 40s this week.Bruce Hyer, who owns the Wabakimi Wilderness lodge, said the canoeists had been paddling in Wabakimi Provincial Park for a couple of weeks before…