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Ayod fire, 25 March 2024 Ayod

Out · last detection 28 Mar 2024, 11:32 UTC

The fire started on 25 March 2024 in Ayod, South Sudan, and satellites saw it burning for 3 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 5,841 hectares from heat detections, spread across a single municipality.

It is the 323th largest in Jonglei since 2016 (of 427 with a page). Number 128 in South Sudan in 2024, of 180.

Compare with…
Burnt area
5,841ha
GWIS perimeter (Copernicus)
Duration
3days
25 Mar 2024 – 27 Mar 2024
Municipalities hit
1
counties
Started on
25 Mar
2024
Heat detections
209
in a single hotspot: 127 MW
Danger at start
69
Extreme · FWI index
Average daily power
990MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 25 Mar27 Mar
28 Mar 2024

How it evolved, day by day

25 Mar 2024 · 870 MW · 44 27 Mar 2024 · 2,087 MW · 115 28 Mar 2024 · 13 MW · 3
25 Mar 27 Mar 28 Mar

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

The weather it burned in

42°high
41km/h · peak gust
5%lowest humidity

It had gone more than two months without rain (1 mm or more) when it started. Rain came after the fire: 4.1 mm on 2 Apr.

This area had burned before

18% of the perimeter overlaps earlier fires recorded since 2016: 1,258 ha in 2023. Part of it burned more than once, so the yearly figures add up to more than the 1,062 ha that had burned before.

How big is it?

10 km
It burned the equivalent of 3.7% of the area of London (58 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. Ayod where it started
    5,879 ha reached on 18 Mar
    0.4 %

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 area< 0.1 ha
Residents< 20

Inside the perimeter there was no noticeable 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)
25 Mar 41.9 °C 5 % 38 km/h 0.0 mm Extreme 69
26 Mar 41.7 °C 7 % 31 km/h 0.0 mm Extreme 62
27 Mar 41.9 °C 6 % 41 km/h 0.0 mm Very extreme 71
28 Mar after 41.3 °C 14 % 31 km/h 0.0 mm Extreme 62
29 Mar after 41.9 °C 17 % 37 km/h 0.0 mm Extreme 63
30 Mar after 41.5 °C 21 % 30 km/h 0.0 mm Extreme 56
31 Mar after 39.8 °C 23 % 42 km/h 0.2 mm Extreme 58
1 Apr after 37.8 °C 28 % 35 km/h 0.0 mm Very high 48
2 Apr after 36.6 °C 31 % 40 km/h 4.1 mm High 23

Before and after, from space

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

Before · 18 Mar 2024
After · 3 Apr 2024

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 28 March 2024 the air beside the fire reached 136 µg/m³ of PM2.5. That day averaged 49: 3.3 times the WHO daily guideline (15).

PM2.5 peak136 µg/m³
Days over the guideline7 days
PM10196 µg/m³
Optical depth1.41
2324252627282930
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 · 209Every 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 South Sudan ›

Frequently asked questions

How long did the Ayod fire last?
GWIS (Copernicus) dates it between 25 March 2024 and 27 March 2024: 3 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 5,841 hectares (58.4 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Ayod (5,879 ha, 0.4 %).
What was the weather like?
During the fire the temperature reached 41.9 °C, humidity dropped to 5 % and gusts hit 41 km/h. The fire danger index (FWI) reached 71, class Very extreme.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of South Sudan (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 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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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. 209 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.