How long did the Mandimba fire last?

GWIS (Copernicus) dates it between 7 September 2025 and 25 September 2025: 19 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 5,364 hectares (53.6 km²). It is an estimate: official national figures may differ.

Which municipalities burned?

The fire only entered Mandimba (5,391 ha, 1.2 %).

What was the weather like?

During the fire the temperature reached 32.1 °C, humidity dropped to 25 % and gusts hit 40 km/h. The fire danger index (FWI) reached 36, class High.

Where does this data come from?

From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Mozambique (geoBoundaries). It is not an official report.

MZ · Mozambique · 2025-09-07 → 2025-09-25

Mandimba fire, 7 September 2025 Mandimba

Out · last detection 25 Sept 2025, 10:50 UTC

The fire started on 7 September 2025 in Mandimba, Mozambique, and satellites saw it burning for 19 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 5,364 hectares from heat detections, spread across a single municipality.

It is the 194th largest in Niassa since 2016 (of 580 with a page). Number 117 in Mozambique in 2025, of 313.

Compare with…

Suggestions: Mandimba · 2026 Mandimba · 2026 Mandimba · 2026 Ngauma · 2025

Burnt area: 5,364ha; GWIS perimeter (Copernicus)
Duration: 19days; 7 Sept 2025 – 25 Sept 2025
Municipalities hit: 1; districts
Started on: 7 Sept; 2025
Heat detections: 181; in a single hotspot: 84 MW
Danger at start: 34; High · FWI index
Average daily power: 70MW; detected power per day, on average

HOTSPOTS BY DAY 7 Sept25 Sept

Play back 25 Sept 2025

How it evolved, day by day

7 Sept 12 Sept 15 Sept 18 Sept 21 Sept 24 Sept

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

The weather it burned in

32°high

40km/h · peak gust

25%lowest humidity

It had gone more than two months without rain (1 mm or more) when it started.

This area had burned before

21% of the perimeter overlaps earlier fires recorded since 2016: 311 ha in 2018, 162 ha in 2022, 1,055 ha in 2024. Part of it burned more than once, so the yearly figures add up to more than the 1,143 ha that had burned before.

How big is it?

It burned the equivalent of 3.4% of the area of London (54 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

Mandimba where it started

5,391 ha reached on 31 Aug

1.2 %

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 area4.5 ha

Residents≈ 550

Inside the perimeter there were about 4.5 hectares of built-up land and about 550 residents (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)
7 Sept	29.0 °C	25 %	34 km/h	0.0 mm	High 34
8 Sept	29.5 °C	32 %	38 km/h	0.0 mm	High 36
9 Sept	29.7 °C	38 %	34 km/h	0.0 mm	High 33
10 Sept	31.0 °C	34 %	40 km/h	0.0 mm	High 33
11 Sept	29.9 °C	27 %	39 km/h	0.0 mm	High 35
12 Sept	30.0 °C	27 %	37 km/h	0.0 mm	High 35
13 Sept	29.6 °C	31 %	31 km/h	0.0 mm	High 31
14 Sept	29.9 °C	35 %	33 km/h	0.0 mm	High 32
15 Sept	28.4 °C	44 %	30 km/h	0.3 mm	High 28
16 Sept	31.2 °C	32 %	33 km/h	0.0 mm	High 31
17 Sept	32.1 °C	30 %	39 km/h	0.0 mm	High 35
18 Sept	31.2 °C	35 %	37 km/h	0.0 mm	High 34
19 Sept	31.1 °C	42 %	38 km/h	0.3 mm	High 32
20 Sept	29.0 °C	38 %	40 km/h	1.8 mm	Moderate 17
21 Sept	29.7 °C	35 %	33 km/h	0.0 mm	High 28
22 Sept	30.5 °C	36 %	32 km/h	0.0 mm	High 27
23 Sept	30.5 °C	34 %	39 km/h	0.0 mm	High 30
24 Sept	29.8 °C	35 %	37 km/h	0.0 mm	High 30
25 Sept	30.8 °C	33 %	35 km/h	0.0 mm	High 30
26 Sept after	28.7 °C	35 %	31 km/h	0.0 mm	High 32
27 Sept after	29.3 °C	35 %	30 km/h	0.0 mm	High 30
28 Sept after	30.9 °C	33 %	36 km/h	0.0 mm	High 32
29 Sept after	33.1 °C	31 %	38 km/h	0.0 mm	High 35
30 Sept after	29.9 °C	46 %	34 km/h	0.3 mm	High 30
1 Oct after	26.0 °C	54 %	42 km/h	0.7 mm	Moderate 21
2 Oct after	28.0 °C	29 %	32 km/h	0.0 mm	High 30
3 Oct after	28.2 °C	20 %	38 km/h	0.0 mm	Very high 39
4 Oct after	27.2 °C	33 %	49 km/h	0.0 mm	Very high 42
5 Oct after	25.6 °C	44 %	34 km/h	0.0 mm	High 29

Before and after, from space

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

↔

Before · 31 Aug 2025

After · 2 Oct 2025

Before After

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 14 September 2025 the air beside the fire reached 75 µg/m³ of PM2.5. That day averaged 42: 2.8 times the WHO daily guideline (15).

PM2.5 peak75 µg/m³

Days over the guideline18 days

PM1077 µg/m³

Optical depth1.06

WHO 15

5678910111213141516171819202122232425262728

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 · 181Every 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 time	Satellite	FRP (MW)	Lat	Lon

Other fires nearby

All fires in Mozambique ›

Frequently asked questions

How long did the Mandimba fire last?: GWIS (Copernicus) dates it between 7 September 2025 and 25 September 2025: 19 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 5,364 hectares (53.6 km²). It is an estimate: official national figures may differ.
Which municipalities burned?: The fire only entered Mandimba (5,391 ha, 1.2 %).
What was the weather like?: During the fire the temperature reached 32.1 °C, humidity dropped to 25 % and gusts hit 40 km/h. The fire danger index (FWI) reached 36, class High.
Where does this data come from?: From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Mozambique (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

NASA FIRMS ↗
GWIS · Copernicus ↗

History of this page Changes in area, dates, name, official record or merged pages, compared every night since 24 October 2026.

No changes since 24 October 2026.

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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What do you think is wrong?

Dates or duration Place or towns Burned area Name It was not a wildfire Same fire as another page Something else

What really happened?

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How we know this

Perimeter: GWIS (Copernicus), rebuilt from heat detections rather than mapped on imagery.
Dates from the perimeter: the VIIRS detections inside it did not change them. 181 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.

Where it burned