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Dibia fire, April 2026 Dibia, Bureh Kasseh Ma

Out · last detection 3 May 2026, 14:19 UTC

The fire started on 14 April 2026 in Dibia, Sierra Leone, and satellites saw it burning for 20 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 5,282 hectares from heat detections, spread across 2 municipalities.

It is the 21th largest in Northern since 2016 (of 1112 with a page). Number 15 in Sierra Leone in 2026, of 305.

Burnt area
5,282ha
GWIS perimeter (Copernicus)
Duration
20days
14 Apr 2026 – 3 May 2026
Municipalities hit
2
chiefdoms
Started on
14 Apr
2026
Heat detections
146
in a single hotspot: 182 MW
Danger at start
25
High · FWI index
Energy released
2.8GW
sum of detected power

Where it burned

3 May 2026
HOTSPOTS BY DAY 14 Apr3 May

How it evolved, day by day

1415171819212223252628123

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

The weather it burned in

37°high
38km/h · peak gust
28%lowest humidity

It had gone 2 days without rain (1 mm or more) when it started. Rain came after the fire: 1.5 mm on 5 May.

This area had burned before

41% of the perimeter overlaps earlier fires recorded since 2016: 401 ha in 2017, 683 ha in 2018, 1,394 ha in 2023. Part of it burned more than once, so the yearly figures add up to more than the 2,174 ha that had burned before.

What happened to each town

  1. Dibia where it started
    5,113 ha reached on 14 Apr
    27 %
  2. 203 ha reached on 15 Apr
    0.5 %

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.

The weather day by day

ECMWF ERA5 reanalysis at the fire location, the standard reference for past weather, and the Canadian Fire Weather Index (the same system Copernicus uses), computed by WorldFires from that data. Days after the fire run until the first rain.

Open-Meteo.com (CC BY 4.0) · Copernicus Climate Change Service (ERA5)

Day High Min. humidity Peak gust Rain Danger (FWI)
14 Apr 34.6 °C 50 % 30 km/h 0.1 mm High 25
15 Apr 36.7 °C 41 % 25 km/h 0.0 mm High 26
16 Apr 35.4 °C 46 % 32 km/h 0.4 mm High 27
17 Apr 35.7 °C 37 % 34 km/h 0.0 mm High 28
18 Apr 36.9 °C 34 % 36 km/h 0.0 mm High 34
19 Apr 36.3 °C 35 % 34 km/h 0.0 mm High 33
20 Apr 36.1 °C 39 % 36 km/h 0.1 mm High 31
21 Apr 36.0 °C 37 % 35 km/h 0.0 mm High 35
22 Apr 36.4 °C 39 % 34 km/h 0.1 mm High 34
23 Apr 35.6 °C 31 % 38 km/h 0.0 mm High 37
24 Apr 34.9 °C 33 % 37 km/h 0.0 mm High 37
25 Apr 37.0 °C 33 % 34 km/h 0.0 mm High 37
26 Apr 34.6 °C 40 % 37 km/h 0.0 mm High 35
27 Apr 34.8 °C 42 % 34 km/h 0.0 mm High 34
28 Apr 36.4 °C 32 % 36 km/h 0.0 mm High 37
29 Apr 35.5 °C 28 % 33 km/h 0.0 mm High 38
30 Apr 36.4 °C 37 % 24 km/h 0.0 mm High 35
1 May 37.2 °C 34 % 37 km/h 0.1 mm Very high 39
2 May 36.6 °C 41 % 37 km/h 0.0 mm High 36
3 May 34.3 °C 53 % 34 km/h 0.6 mm High 28
4 May after 36.6 °C 44 % 30 km/h 0.4 mm High 28
5 May after 34.7 °C 47 % 35 km/h 1.5 mm High 21

Before and after, from space

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

Before · 7 Apr 2026
After · 10 May 2026

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 4 May 2026 the air beside the fire reached 76 µg/m³ of PM2.5. That day averaged 46: 3.0 times the WHO daily guideline (15).

PM2.5 peak76 µg/m³
Days over the guideline23 days
PM10130 µg/m³
Optical depth0.86
12131415161718192021222324252627282930123456
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 · 146Every 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 Sierra Leone ›

Frequently asked questions

How long did the Dibia fire last?
According to the heat detections seen by satellite inside the perimeter, it burned from 14 April 2026 to 3 May 2026 (20 days). The perimeter dates it from 14 April 2026 to 26 April 2026.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 5,282 hectares (52.8 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire entered 2 municipalities: Dibia (5,113 ha, 27 %); Bureh Kasseh Ma (203 ha, 0.5 %).
What was the weather like?
During the fire the temperature reached 37.2 °C, humidity dropped to 28 % and gusts hit 38 km/h. The fire danger index (FWI) reached 39, class Very high.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Sierra Leone (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 ADM3 (Creative Commons Attribution 4.0 (CC BY 4.0)). 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.