Wildfire near Thunder Bay (Jul 13 · SE)
True color
Fire (SWIR)
Infrared / SWIR (right): sees through smoke.
🟢 green = vegetation
🟤 red/brown = burned
🟠 orange = active fire
Imagery: Sentinel-2 (Copernicus). Drag to compare smoke vs. infrared.
Heat detections: NASA FIRMS (last 48h).
Burning for 42 days since its start on July 13, 2026, an active wildfire near Unorganized Thunder Bay District, Ontario, has steadily expanded across the landscape, maintaining an approximate average daily growth of 718 hectares per day. The persistent blaze has now scorched a total area of 30,159 hectares, which translates to roughly 74,523 acres.
This prolonged incident unfolds within a region where the typical fire season spans from May to September. At the national level, the broader context reveals that 2,467,646 hectares have burned across the country so far in 2026, tracking 42% below the two-decade average.
In context
This wildfire has been burning in Ontario for 50 days. So far it has affected roughly 30,159 ha (74,523 acres) — about 302 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 2,597,706 hectares have burned so far in 2026 — 39% below the two-decade average. Data from Copernicus GWIS.
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