Hundreds of wildfires, based mainly in Quebec, continued to pose a threat to communities Wednesday and sent harmful smoke across Eastern parts of the continent. Skies were clouded over in many cities in Ontario, Quebec and the U.S. eastern seaboard. Canada could exceed the largest total amount of burned area recorded in this country in a single year if the current rate of wildfire activity continues, according to Natural Resources Canada. The department released updated data and forecasts Monday showing that, as of June 4, there had been 2,214 wildfires across Canada this year, and about 3.3 million hectares burned. The 10-year average over the same timeframe is 1,624 fires and 254,429 hectares burned.