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CD · Democratic Republic of the Congo · →

Lodja fire, 5 July 2023 Lodja, Katako-Kombe

Out · last detection 25 Jul 2023, 12:01 UTC

The fire started on 5 July 2023 in Lodja, Democratic Republic of the Congo, and satellites saw it burning for 21 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 6,707 hectares from heat detections, spread across 2 municipalities.

It is the 130th largest in Sankuru since 2016 (of 187 with a page). Number 31 in Democratic Republic of the Congo in 2023, of 76.

Compare with…
Burnt area
6,707ha
GWIS perimeter (Copernicus)
Duration
21days
5 Jul 2023 – 25 Jul 2023
Municipalities hit
2
territories
Started on
5 Jul
2023
Heat detections
444
in a single hotspot: 56 MW
Danger at start
21
Moderate · FWI index
Average daily power
208MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 5 Jul25 Jul
25 Jul 2023

How it evolved, day by day

5 Jul 2023 · 128 MW · 16 7 Jul 2023 · 292 MW · 31 8 Jul 2023 · 318 MW · 42 9 Jul 2023 · 356 MW · 29 10 Jul 2023 · 341 MW · 21 11 Jul 2023 · 5 MW · 1 13 Jul 2023 · 194 MW · 37 14 Jul 2023 · 511 MW · 63 15 Jul 2023 · 631 MW · 76 16 Jul 2023 · 161 MW · 19 17 Jul 2023 · 361 MW · 26 18 Jul 2023 · 78 MW · 13 19 Jul 2023 · 284 MW · 28 20 Jul 2023 · 23 MW · 4 21 Jul 2023 · 52 MW · 8 22 Jul 2023 · 8 MW · 2 23 Jul 2023 · 7 MW · 1 24 Jul 2023 · 41 MW · 4 25 Jul 2023 · 158 MW · 23
5 Jul 9 Jul 13 Jul 15 Jul 16 Jul 19 Jul 22 Jul 25 Jul

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

The weather it burned in

36°high
36km/h · peak gust
20%lowest humidity

It had gone 11 days without rain (1 mm or more) when it started.

This area had burned before

87% of the perimeter overlaps earlier fires recorded since 2016: 1,087 ha in 2016, 1,725 ha in 2017, 3,536 ha in 2018, 409 ha in 2019, 4,041 ha in 2020, 1,259 ha in 2021, 4,782 ha in 2022. Part of it burned more than once, so the yearly figures add up to more than the 5,839 ha that had burned before.

How big is it?

10 km
It burned the equivalent of 4.2% of the area of London (67 km² against 1,583 km²).

London boundary: geoBoundaries · Office for National Statistics (Open Government Licence v3.0).

This compares size, not location: both shapes are at the same scale, north up, centred on each other.

What happened to each town

  1. Lodja where it started
    4,983 ha reached on 5 Jul
    0.4 %
  2. 1,769 ha reached on 5 Jul
    0.1 %

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

People and buildings inside the perimeter

GHSL 2025
Built-up area0.37 ha
Residents< 20

Inside the perimeter there were about 0.37 hectares of built-up land and almost nobody lived there (GHSL 2025, satellite-based estimate).

This is an estimate on 100 m cells, made from satellite imagery and census data: it does not mean that homes burned or that anyone was harmed. The perimeter also contains land that never burned. The GHSL 2025 epoch is a projection made from 2020 and earlier data.

Source: Global Human Settlement Layer (GHS-BUILT-S and GHS-POP R2023A), European Commission Joint Research Centre (JRC), © European Union, CC BY 4.0. Sum inside the perimeter computed by WorldFires. human-settlement.emergency.copernicus.eu

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)
12 Jul 32.0 °C 38 % 27 km/h 0.1 mm Moderate 21
13 Jul 32.7 °C 34 % 28 km/h 0.3 mm High 24
14 Jul 34.4 °C 29 % 33 km/h 0.0 mm High 28
15 Jul 34.2 °C 28 % 26 km/h 0.0 mm High 28
16 Jul 34.1 °C 32 % 28 km/h 0.0 mm High 28
17 Jul 35.4 °C 23 % 33 km/h 0.0 mm High 33
18 Jul 35.9 °C 20 % 36 km/h 0.0 mm High 38
19 Jul 34.0 °C 24 % 17 km/h 0.0 mm High 37
20 Jul 33.5 °C 35 % 23 km/h 0.1 mm High 33
21 Jul 32.9 °C 43 % 24 km/h 0.2 mm High 27
22 Jul 34.4 °C 26 % 33 km/h 0.0 mm High 32
23 Jul 34.0 °C 28 % 23 km/h 0.0 mm High 31
24 Jul 33.4 °C 28 % 22 km/h 0.0 mm High 33
25 Jul 33.5 °C 35 % 25 km/h 0.0 mm High 31
26 Jul after 34.0 °C 31 % 27 km/h 0.1 mm High 33
27 Jul after 32.8 °C 34 % 23 km/h 0.2 mm High 32
28 Jul after 34.8 °C 26 % 26 km/h 0.0 mm High 33
29 Jul after 33.6 °C 39 % 30 km/h 0.0 mm High 33
30 Jul after 33.8 °C 36 % 22 km/h 0.0 mm High 30

Before and after, from space

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

Before · 28 Jun 2023
After · 1 Aug 2023

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 15 July 2023 the air beside the fire reached 403 µg/m³ of PM2.5. That day averaged 152: 10 times the WHO daily guideline (15).

PM2.5 peak403 µg/m³
Days over the guideline14 days
PM10576 µg/m³
Optical depth2.52
1011121314151617181920212223
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 · 444Every 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 Democratic Republic of the Congo ›

Frequently asked questions

How long did the Lodja fire last?
According to the heat detections seen by satellite inside the perimeter, it burned from 5 July 2023 to 25 July 2023 (21 days). The perimeter dates it from 12 July 2023 to 20 July 2023.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 6,707 hectares (67.1 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire entered 2 municipalities: Lodja (4,983 ha, 0.4 %); Katako-Kombe (1,769 ha, 0.1 %).
What was the weather like?
During the fire the temperature reached 35.9 °C, humidity dropped to 20 % and gusts hit 36 km/h. The fire danger index (FWI) reached 38, class High.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Democratic Republic of the Congo (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

History of this page · 2 Changes in area, dates, name, official record or merged pages, compared every night since 24 October 2026.
  1. Last day with fire: 20 July 2023 → 25 July 2023.
  2. Start date: 12 July 2023 → 5 July 2023.

RSS Changes to this page

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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How we know this
  • Perimeter: GWIS (Copernicus), rebuilt from heat detections rather than mapped on imagery.
  • Dates adjusted with the VIIRS detections inside the perimeter, which said 12 July 2023 to 20 July 2023. 444 Suomi-NPP VIIRS detections on those dates.
  • We have not matched this page with any official record.
  • Weather: Copernicus ERA5 reanalysis at the fire location, in cells of about 25 km.
  • Built-up area and population come from the JRC Global Human Settlement Layer (epoch 2025, 100 m cells), summed inside the perimeter: an estimate of what was there, not a damage count.

How we build fire pages: methodology ›

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 (Creative Commons Attribution 3.0 Intergovernmental Organisations (CC BY 3.0 IGO)). 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.