AURSEEAursee · notable fire
Fire near Assunção do Piauí, Piauí, Brazil, October 2026
Detected · VIIRS 375 m (S-NPP, NOAA-20, NOAA-21) · -5.995, -40.960 · first seen 7 October 2026, 03:23 UTC
6,958 MWpeak summed radiative power, 9 Oct
290detections on that day
9 kmwidest extent of the group
3days in the record
First detected 7 October 2026, 03:23 UTC, 18 km SE of Assunção do Piauí. Last detected 9 October 2026, 17:05 UTC. Named places of 1,000 people or more within 25 km had a combined population of 7,452 (GeoNames).
Day by day
Summed radiative power per UTC day, MW.
| Day (UTC) | MW | Detections | Extent km | Night |
|---|---|---|---|---|
| 2026-10-07 | 6,134 | 215 | 6 | 27% |
| 2026-10-08 | 5,399 | 226 | 9 | 71% |
| 2026-10-09 | 6,958 | 290 | 9 | 55% |
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.
Related
- Fire history of BrazilEvery year since 2012.
- Fires in Brazil nowToday's fires, updated every hour.
- All notable firesEvery fire above 5,000 MW since the record began.
Fire alerts by email
Free. Pick a town and we email you when satellites detect fire within 30 km of it.