The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA's Aqua satellite captured this view of smoke billowing from the fires on June 3. Shortly after the fires started, about 5,000 residents were ordered to evacuate near the city of Sept-lles in the province's east. As the fires grew, evacuations were extended to an additional 9,000 people in surrounding communities and in western Quebec's Val-d'Or and Normetal municipalities. As of June 5, more than 150 wildfires were active in Quebec.
Smoke from the blazes prompted air quality warnings across Quebec and Ontario. On June 4, the air quality index for fine particulate matter (PM 2.5) was classified as unhealthy in southern Quebec and eastern Ontario, according to NOAA's Aerosol Watch. Fine particulate matter from the smoke blew down to the U.S. Midwest, where it made the air quality unhealthy for sensitive groups in parts of Minnesota, Wisconsin, Illinois, and Michigan.
Fire season in Quebec usually starts in late May. In an average year, only 247 hectares (a square mile) of area would be burned by June 5, according to Quebec's fire prevention agency (SOPFEU). But so far this year, 160,000 hectares (600 square miles) have burned.
The fire prevention agency said the fierce start to the season has in part been due to high temperatures and dry conditions in the province.
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