Wildfire near San Martín de Valdeiglesias (Jul 31), Spain (2026)

Wildfire near San Martín de Valdeiglesias (Jul 31) — Sentinel-2 true color

Wildfire near San Martín de Valdeiglesias (Jul 31) — Sentinel-2 SWIR (fuego)

True view Fire view

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True view (left): as the eye sees it.
Fire view (right): infrared (SWIR), sees through smoke and brings out the heat.

🟢 green = vegetation
🟤 brown = already burned
🟠 orange = fire right now

Drag to compare: normal photo on the left, heat brought out on the right.

Green: vegetationBrown: already burnedOrange: fire right nowSentinel-2 · Copernicus

The story so far

Summary written on Aug 1, while the fire was still active. It has since ended — the figures above are current.

Burning near San Martín de Valdeiglesias in Spain, an active wildfire has consumed 100 hectares, equivalent to 247 acres, since it started on July 31, 2026. Satellites are currently picking up a moderate heat signature from the front, alongside five heat detections recorded nearby over the past 48 hours, illustrating the localized spread of the blaze.

This incident unfolds during the region's typical fire season, which spans from June to October. The broader landscape faces heightened pressure as 221,446 hectares have burned across the country so far in 2026, tracking 132% above the two-decade average.

In context

This wildfire burned in Spain for 2 days. In total it burned about 100 ha (247 acres) — around 1.0 km². That size is an estimate from satellite hotspots, not a measured area.

In the Northern Hemisphere, wildfire activity usually peaks during the warm, dry months — roughly May through October.