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Aursee · notable fire

Fire near Apuí, Amazonas, Brazil, September 2026

Detected · VIIRS 375 m (S-NPP, NOAA-20, NOAA-21) · -6.620, -59.948 · first seen 20 September 2026, 16:58 UTC

8,548 MWpeak summed radiative power, 22 Sep
321detections on that day
15 kmwidest extent of the group
2days in the record

First detected 20 September 2026, 16:58 UTC, 99 km N of Apuí. Last detected 23 September 2026, 06:08 UTC.

Day by day

2026-09-20: 4,022 MW20 Sep2026-09-22: 8,548 MW22 Sep8,548 MW

Summed radiative power per UTC day, MW.

Day (UTC)MWDetectionsExtent kmNight
2026-09-204,0222011548%
2026-09-228,5483211167%

MW is fire radiative power summed over every detection grouped into the fire in a 24-hour window, across three satellites. Extent is the width of the group of detections, not a mapped perimeter. Night is the share of detections from the night pass. How these are measured.

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