Wildfire near Monte Alegre do Piauí
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).
A moderate heat signature detected by satellites marks the ongoing activity of an active wildfire burning near Monte Alegre do Piauí, Brazil. The fire has consumed 480 hectares, equivalent to 1,186 acres, since it started on September 1, 2026. Orbiting sensors have recorded 23 thermal anomalies in the surrounding area over the past 48 hours, illustrating the current spread of the incident.
This event unfolds during the region's typical fire season, which runs from August to October. Despite this local activity, the broader national landscape shows a different trend: 4,711,577 hectares have burned across the country so far in 2026, marking an 85% decrease compared to the two-decade average.
In context
This wildfire burned in Brazil for 2 days. In total it burned about 480 ha (1,186 acres) — around 4.8 km².
Close to the tropics, fires tend to follow the dry season and are often linked to land-clearing rather than a single summer peak.
The bigger picture in Brazil
Across Brazil, roughly 5,025,251 hectares have burned so far in 2026 — 84% below the two-decade average. Data from Copernicus GWIS.
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