Started on May 31, 2026.
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Fire view
Fire view (right): infrared (SWIR), sees through smoke and brings out the heat.
🟢 green = vegetation
🟤 brown = already burned
🟠 orange = fire right now
Drag to compare: normal photo on the left, heat brought out on the right.
Green: vegetationBrown: already burnedOrange: fire right nowSentinel-2 · Copernicus
Red dots: heat detected by satellite in the last 48h. NASA FIRMS
After burning for 44 days, the wildfire near Unorganized Thunder Bay District, Ontario, continues to expand at an average rate of approximately 326 hectares per day. Satellite sensors have identified 12 active heat signatures within the vicinity over the past 48 hours, signaling ongoing thermal activity across the landscape.
Since its ignition on May 31, 2026, the blaze has consumed 14,333 hectares (35,418 acres) of land. The fire remains classified as active as it continues to progress through the region.
In context
This wildfire burned in Ontario for 132 days. In total it burned about 14,333 ha (35,418 acres) — around 143 km².
In the Northern Hemisphere, wildfire activity usually peaks during the warm, dry months — roughly May through October.
The bigger picture in Canada
Across Canada, roughly 2,621,257 hectares have burned so far in 2026 — 38% below the two-decade average. Data from Copernicus GWIS.
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