Started on Jul 11, 2026.
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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
Burning near Casummit Lake, Ontario, a contained wildfire has scorched 13,744 hectares (33,962 acres) over a remarkable 44-day span since it started on July 11, 2026. Throughout this prolonged duration, the fire has maintained an average daily growth of approximately 312 hectares per day.
This incident unfolds during the region's typical fire season, which spans from May to September. On a broader scale, the wildfire contributes to a national total of 2,477,370 hectares burned so far in 2026, a figure that remains 42% below the two-decade average.
In context
This wildfire burned in Ontario for 66 days. In total it burned about 13,744 ha (33,962 acres) — around 137 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 2,622,738 hectares have burned so far in 2026 — 38% below the two-decade average. Data from Copernicus GWIS.
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