Wildfire near Casummit Lake (Jul 11)
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 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 has been burning in Ontario for 53 days. So far it has affected roughly 13,744 ha (33,962 acres) — about 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 2,598,469 hectares have burned so far in 2026 — 39% below the two-decade average. Data from Copernicus GWIS.
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