THUNDER BAY, ONTARIO / RankWire.AI / – Nearly 200 wildfires erupted across Ontario on July 15, with the majority concentrated in the northern region. Data from the province indicated that there were 183 active fires as of 3 p.m. By evening, the Northwest Fire Region reported 136 blazes, including 63 that remained uncontrolled. During the day, crews identified eight new fires. Several northern districts faced extreme fire danger due to hot, dry, and windy conditions that fueled rapid fire expansion.
Authorities issued evacuation orders for residents of Armstrong, Whitesand First Nation, Gull Bay First Nation, and Lac des Mille Lacs First Nation. Additional evacuation alerts were issued for Namaygoosisagagun First Nation and Gakijiwanong Anishinaabe Nation. The Ontario Provincial Police assisted with evacuations and managed traffic near closed roads. Officials also placed communities near Ignace, Crystal Lake, and Highway 633 on evacuation alert. Emergency responders urged residents to prepare essential supplies and adhere to local directives.
The fire inflicted significant damage at Namaygoosisagagun, a remote First Nation approximately 200 kilometres north of Thunder Bay. Residents evacuated by boat, as no road connects the community to nearby towns. The Anishinabek Nation reported that all known residents had reached safety, pending a comprehensive community assessment. The fire destroyed or damaged numerous homes and public structures. Namaygoosisagagun has an estimated population of 40. Community representatives initiated damage assessments following the evacuation.
Road Restrictions Hamper Evacuations and Emergency Response
Major transportation routes across northwestern Ontario were closed due to wildfire activity, disrupting access between several remote communities. Highway 599 remained closed between Highway 516 and Mishkeegogamang First Nation. Highway 527 was shut down between Gull Bay First Nation and Armstrong. Highway 11 reopened between Highways 633 and 623, although emergency crews continued to operate in the area. Canadian National Railway halted service near Armstrong when a fire surrounded a train; the crew evacuated safely before conditions worsened.
Firefighting efforts focused on protecting communities, transportation routes, and critical infrastructure. The Dryden 13 fire combined with nearby blazes in the Wabakimi area to form the larger Thunder Bay 36 fire. Crews also worked 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 threat.
Smoke from Wildfires Degrades Air Quality Regionwide
Thick smoke from the wildfires drifted southward from northern Ontario, reaching parts of the northeastern United States. Toronto recorded an Air Quality Health Index of 10+, indicating the highest health risk level. Environment Canada issued warnings 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 particulate matter in wildfire smoke can irritate respiratory systems and exacerbate pre-existing health issues.
Ontario declared a Restricted Fire Zone across the Northwest Fire Region and sections of northeastern Ontario. This order banned campfires and open-burning activities. All active burning permits within the restricted zone were suspended. So far this year, Ontario has reported 453 wildland fires, up from 349 at the same time in 2025. The 10-year average for this period is 312 fires. The Ontario Ministry of Natural Resources advised residents to stay informed through official evacuation, highway, and wildfire notices.