Wildfire near San Martín de Valdeiglesias (Jul 24)
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).
Spreading aggressively across 400 hectares (988 acres) near San Martín de Valdeiglesias, Spain, an active wildfire is currently generating intense heat signatures picked up by satellites. Over the past 48 hours, 92 heat detections have clustered nearby, reflecting the extensive spread of the fire front since it started on July 24, 2026.
In context
This wildfire burned in Spain for 1 day. In total it burned about 400 ha (988 acres) — around 4.0 km².
In the Northern Hemisphere, wildfire activity usually peaks during the warm, dry months — roughly May through October.
The bigger picture in Spain
Across Spain, roughly 295,856 hectares have burned so far in 2026 — 211% above the two-decade average. Data from Copernicus EFFIS.
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