![]() ![]() WHAT'S CAUSING THE FIRES?ĭrought has been a contributing factor to the number and intensity of this year's fires, officials say, with high temperatures exacerbating the situation. Large existing fires are expected to continue burning or smoldering, and new problematic fires can occur anywhere, the official said. In much of that area, the number of new fires will taper off as autumn arrives. Next month, the potential area at extreme risk is expected to become a bit smaller, covering southern British Columbia, the Prairies, part of the Northwest Territories and western Ontario, a government official said. Most recent government projections indicate the potential for higher-than-normal fire activity will persist across much of Canada in August and September. In the U.S., air quality alerts were issued for sections of the Midwest, the East Coast and the South, including New York, Washington and Chicago. In this week's fires, the Canadian government's air quality health index put Yellowknife and Fort Smith at "very high risk" and Winnipeg, Manitoba's capital 1,700 km (1,060 miles) to the southeast, at "high risk."Įarlier this fire season, authorities issued air quality warnings for Canada's capital Ottawa and financial capital Toronto. Smoke from this season's fires has made the air unhealthy to breathe across Canada and swaths of the United States, prompting warnings and recommendations that people limit their time outside or wear masks. HOW ARE THE WILDFIRES HURTING AIR QUALITY? In June 2021, 90% of the structures in the British Columbia village of Lytton burned down. ![]()
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