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Wildfire near Monte Alegre do Piauí (Sep 18)

Ended · 500 hectares (1,236 acres) · Started · Updated

This fire in numbers3 days
500Hectares1,236Acres3Days it lasted

Started on Sep 18, 2026.

Brazil todayLive
18Active4,499Hotspots 48h9,340Hectares
Last 7 days · fallingHow many named wildfires were burning on each of the last 7 days. It rises when there are more than on the earlier days.
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Wildfire near Monte Alegre do Piauí (Sep 18) — NASA satellite

Yesterday's image: fire shows in orange and red. NASA MODIS

Red dots: heat detected by satellite in the last 48h. NASA FIRMS

Active fires nearby1 · 100 km
Within 100 kmSee on map →

An intense heat signature is currently being picked up by satellites over a 500-hectare (1,236-acre) active wildfire burning near Monte Alegre do Piauí, Brazil. Having ignited on September 18, 2026, the fire has been burning for two days, averaging an approximate growth of 250 hectares per day. In the past 48 hours, 43 NASA FIRMS heat detections have clustered nearby, indicating the active spread of the fire front.

This incident occurs 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: 6,215,078 hectares have burned across the country so far in 2026, marking an 80% decrease compared to the two-decade average.

In context

This wildfire burned in Brazil for 2 days. In total it burned about 500 ha (1,236 acres) — around 5.0 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 8,389,376 hectares have burned so far in 2026 — 73% below the two-decade average. Data from Copernicus GWIS.

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