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CG · Congo - Brazzaville · →

Kellé fire, August 2025 Kellé

Out · last detection 18 Aug 2025, 12:46 UTC

The fire started on 15 August 2025 in Kellé, Congo - Brazzaville, and satellites saw it burning for 4 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 2,015 hectares from heat detections, spread across a single municipality.

It is the 42th largest in Plateaux since 2016 (of 304 with a page). Number 13 in Congo - Brazzaville in 2025, of 88.

The power measured by the satellite is low (11.3 MW in the strongest hotspot), more typical of grass or stubble burning, or a slow surface fire, than of a large crown fire.

Burnt area
2,015ha
GWIS perimeter (Copernicus)
Duration
4days
15 Aug 2025 – 18 Aug 2025
Municipalities hit
1
districts
Started on
15 Aug
2025
Heat detections
70
in a single hotspot: 11 MW
Energy released
219MW
sum of detected power

Where it burned

18 Aug 2025
HOTSPOTS BY DAY 15 Aug18 Aug

How it evolved, day by day

15161718

Fire radiative power detected each day, in megawatts, and number of hotspots. The magenta bar marks the peak day.

This area had burned before

18% of the perimeter overlaps earlier fires recorded since 2016: 335 ha in 2020, 27 ha in 2022.

What happened to each town

  1. Kellé where it started
    2,029 ha reached on 13 Aug
    0.2 %

Burnt area inside each municipality, from crossing the GWIS perimeter with administrative boundaries. The distance is from the town centre to the nearest fire: staying a kilometre away does not mean it reached the houses.

Before and after, from space

Drag the line to compare the same ground before the fire and after it.

Before · 8 Aug 2025
After · 25 Aug 2025

If the day is cloudy, change the date: each satellite passes once a day. In false colour the burnt ground looks brown or red.

The smoke

CAMS · Copernicus

On 13 August 2025 the air beside the fire reached 88 µg/m³ of PM2.5. That day averaged 45: 3.0 times the WHO daily guideline (15).

PM2.5 peak88 µg/m³
Days over the guideline8 days
PM1089 µg/m³
Optical depth1.48
131415161718192021
Good Fair Moderate Poor Very poor Extremely poor

Particles from the Copernicus CAMS model at the centre of the perimeter; these are not measurements in each town. The pale bar is the worst hour, the solid one the daily average.

Open-Meteo.com (CC BY 4.0) · Copernicus Atmosphere Monitoring Service (CAMS)

Detections table · 70Every satellite heat detection, one by one, with time, satellite, power and coordinates.
⬇ Download CSV Times in UTC. Each detection is a 375 m pixel: a large fire yields hundreds per pass.
Date and timeSatelliteFRP (MW)LatLon

Other fires nearby

All fires in Congo - Brazzaville ›

Frequently asked questions

How long did the Kellé fire last?
GWIS (Copernicus) dates it between 15 August 2025 and 18 August 2025: 4 days between the first and last heat detection of the perimeter.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 2,015 hectares (20.2 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Kellé (2,029 ha, 0.2 %).
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Congo - Brazzaville (geoBoundaries). It is not an official report.

Where to verify it

A satellite detection is not an official report. Final figures and the fire’s status are published by each country’s emergency service.

Satellite cross-check

Does something look wrong on this page?

This page is built from satellite data and official records, and it sometimes gets things wrong: the wrong dates, the wrong town, two fires merged into one, or something that was not a wildfire at all. If you know this fire first-hand (you live nearby, saw it, fought it or reported on it), tell us what really happened and we will check it.

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Where this data comes from

The perimeter comes from the Copernicus Global Wildfire Information System (GWIS), which rebuilds it from MODIS and VIIRS heat detections and publishes it under CC BY 4.0. It is not measured on imagery as in Europe, so it is an estimate. Heat detections come from the VIIRS sensors aboard Suomi-NPP and NOAA-20, distributed by NASA FIRMS at 375 m resolution. Municipal boundaries come from geoBoundaries ADM2 (Public Domain). The area per municipality is computed by WorldFires by crossing the perimeter with those boundaries, so it may differ from each country’s official figure.