Wildfire near Chaves
Started on Jul 31, 2026.
Portugal today7 days
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 the active wildfire burning near Chaves, Portugal, which has grown to cover 450 hectares (1,112 acres) since it started on July 31, 2026. Across the immediate area, 18 heat detections have been registered over the past 48 hours.
This incident unfolds during the region's typical fire season, which runs from June to October. On a national scale, however, the broader context shows that 51,813 hectares have burned so far in 2026, marking a figure 51% below the two-decade average.
In context
This wildfire burned in Portugal for 2 days. In total it burned about 450 ha (1,112 acres) — around 4.5 km².
In the Northern Hemisphere, wildfire activity usually peaks during the warm, dry months — roughly May through October.
The bigger picture in Portugal
Across Portugal, roughly 65,438 hectares have burned so far in 2026 — 38% below the two-decade average. Data from Copernicus EFFIS.
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