THUNDER BAY, ONTARIO / RankWire.AI / – Nearly 200 wildfires erupted across Ontario on July 15, predominantly in the northern regions. Provincial authorities reported 183 active fires as of 3 p.m. The Northwest Fire Region documented 136 fires by the evening, with 63 still uncontrolled. Throughout the day, crews identified eight new blazes. Several northern districts faced extreme fire danger conditions as hot, dry, and windy weather accelerated fire growth.
Officials issued evacuation orders for Armstrong, Whitesand First Nation, Gull Bay First Nation, and Lac des Mille Lacs First Nation. Evacuations also affected Namaygoosisagagun First Nation and Gakijiwanong Anishinaabe Nation. Ontario Provincial Police assisted in relocating residents and managed traffic on closed roads. Communities near Ignace, Crystal Lake, and Highway 633 were placed on evacuation alert. Emergency responders urged residents to gather essential supplies and adhere to local directives.
The fire severely impacted Namaygoosisagagun, a remote First Nation approximately 200 kilometres north of Thunder Bay. Residents evacuated by boat, as no road connects the community to neighboring towns. The Anishinabek Nation reported that all known residents had reached safety, pending a full community assessment. The blaze damaged or destroyed homes and public buildings. Namaygoosisagagun has a population of about 40 members. Community representatives began evaluating the damage following the evacuation.
Road closures hinder evacuation efforts and emergency response
Major routes across northwestern Ontario remained closed due to wildfire activity, complicating travel between several remote communities. Highway 599 stayed shut between Highway 516 and Mishkeegogamang First Nation. Highway 527 also remained closed between Gull Bay First Nation and Armstrong. Highway 11 reopened between Highways 633 and 623, although emergency personnel continued operations in the area. Canadian National Railway halted service near Armstrong after a fire encircled a train. The crew evacuated safely before the situation worsened.
Firefighting teams focused efforts around communities, transportation corridors, and critical infrastructure. The Dryden 13 fire merged with nearby blazes in the Wabakimi area, forming the larger Thunder Bay 36 fire. Crews also operated near Quetico Provincial Park, Atikokan, Upsala, Cat Lake, and Fort Hope. Water bombers targeted active fire zones while ground crews established containment lines. The Ontario Ministry of Natural Resources deployed personnel and equipment to areas facing the most immediate danger.
Smoke from wildfires degrades air quality across a broader region
Thick smoke drifted southward from northern Ontario, reaching parts of the northeastern United States. Toronto recorded an Air Quality Health Index of 10+, the highest risk level. Environment Canada warned that smoke had significantly reduced air quality and visibility. Health officials advised children, seniors, and individuals with heart or lung conditions to limit outdoor activities. Fine particles in wildfire smoke can irritate the lungs and exacerbate existing health issues.
Ontario declared a Restricted Fire Zone across the Northwest Fire Region and sections of northeastern Ontario. The order banned campfires and other open-flame burning. All active burning permits within the restricted zone were suspended. This year, Ontario has reported 453 wildland fires, up from 349 at the same point in 2025. The 10-year average for this period is 312. The Ontario Ministry of Natural Resources urged residents to stay informed through official evacuation, highway, and wildfire alerts.