2025 against 2026

77 — Seine-et-Marne, 25 km cells, VIIRS Suomi-NPP only.

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Reference period Compared period

Department

Number or name. Choosing a department recentres the map on it.

hotspots in 2025

hotspots in 2026

+23

difference, that is +177 %

areas newly affected
1 stopped burning

The difference

2025

2026

−50−20−50+5+20+50

hotspot difference per cell · the largest reaches 6

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The three maps move together: zooming one zooms all three.

Both periods are read from a single satellite, VIIRS Suomi-NPP. Comparing two years across the full constellation would show a rise caused by NOAA-20 arriving in 2018 and NOAA-21 in 2024: three satellites detect more than one, for the same amount of fire. The full method