Wildfire near Lago Grande (Sep 23), Brazil (2026)

Wildfire near Lago Grande (Sep 23) — Sentinel-2 true color

Wildfire near Lago Grande (Sep 23) — Sentinel-2 SWIR (fuego)

True view Fire view

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True view (left): as the eye sees it.
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

The story so far

About 30 km south of Lago Grande.

Summary written on Sep 24, while the fire was still active. It has since ended — the figures above are current.

Satellites are picking up an intense heat signature from an active wildfire near Lago Grande, Brazil. Having burned 430 hectares (1,063 acres) since it started on September 23, 2026, the blaze has generated 45 heat detections over the past 48 hours, highlighting the ongoing spread of the front.

This incident unfolds during the region's typical fire season, which runs from August to October. At the national level, 7,108,839 hectares have burned so far in 2026, marking a figure that is 77% below the two-decade average.

In context

This wildfire burned in Brazil for 2 days. In total it burned about 430 ha (1,063 acres) — around 4.3 km². That size is an estimate from satellite hotspots, not a measured area.

Close to the tropics, fires tend to follow the dry season and are often linked to land-clearing rather than a single summer peak.