Ontario experiences record-breaking wildfire season, over 7,250 sq km burned

Ontario is enduring its worst wildfire season on record. Provincial officials estimate that more than 7,250 square kilometres of forest have burned, surpassing the previous high set in 2021. The fire complex north of Thunder Bay alone accounts for about 3,188 sq km. Nearly 200 active fires are burning across northern Ontario, with 57 listed as out of control, and 140 still uncontained.

The blaze has forced the evacuation of over a dozen First Nations communities, including Namaygoosisagagun and Whitewater Lake, displacing close to 2,000 residents. First Nations leaders criticized the provincial response, noting delays and lack of clear support. Climate‑change‑driven heat waves and thunderstorms have intensified the situation, and fire‑weather specialist Liam Buchart warned, “There hasn’t been enough rain in the northwestern part of Ontario to really knock things down for the long term.”

Heavy smoke has drifted south, degrading air quality in Ontario and across several U.S. states such as Michigan, Wisconsin and Illinois, prompting health advisories. Weather conditions have offered brief relief, with recent rain slowing some blazes, but officials say a sustained reprieve is unlikely. The provincial government is seeking a national wildland‑fire strategy and additional resources from the Canadian Interagency Forest Fire Centre.