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).
Satellites are picking up an intense heat signature from an active wildfire burning near Monte Alegre do Piauí in Brazil, where 12 separate thermal detections over the past 48 hours trace the widespread cluster of the advancing front. The blaze, which began on August 28, 2026, has expanded to consume 300 hectares, equivalent to 741 acres of land.
This incident unfolds during the region's typical fire season, which spans from August to October. Despite local activity, the broader national landscape reflects a quieter year for fire activity, with 4,142,455 hectares burned across the country so far in 2026, marking an 87 percent decrease compared to the two-decade average.
In context
This wildfire has been burning in Brazil for 1 day. So far it has affected roughly 300 ha (741 acres) — about 3.0 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 4,142,455 hectares have burned so far in 2026 — 87% below the two-decade average. Data from Copernicus GWIS.
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