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Wildfire near Unorganized Thunder Bay District (Jul 18 · SW)

Active · 1,200 ha (2,965 acres) · started 2026-07-18 · updated 2026-08-03

Wildfire near Unorganized Thunder Bay District (Jul 18 · SW) — Sentinel-2 true color Wildfire near Unorganized Thunder Bay District (Jul 18 · SW) — Sentinel-2 SWIR (fuego) True color Fire (SWIR)
True color (left): as the eye sees it.
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 16 days since its start on July 18, 2026, an active wildfire spanning 1,200 hectares, or approximately 2,965 acres, continues to impact the Unorganized Thunder Bay District in Ontario.

The fire has maintained an average daily growth of roughly 75 hectares per day in a region where the typical fire season spans from May to September.

This incident unfolds against a broader national backdrop where 2,080,649 hectares have burned across the country so far in 2026, marking a total that is 51 percent below the two-decade average.

In context

This wildfire has been burning in Ontario for 16 days. So far it has affected roughly 1,200 ha (2,965 acres) — about 12 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 2,102,567 hectares have burned so far in 2026 — 50% below the two-decade average. Data from Copernicus GWIS.

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