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Sambas fire, July 2024 Sambas

Out · last measured on 29 Jul 2024

The fire started on 25 July 2024 in Sambas, Indonesia, and satellites saw it burning for 5 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 1,813 hectares from heat detections, spread across a single municipality.

It is the 198th largest in West Kalimantan since 2016 (of 267 with a page). Number 9 in Indonesia in 2024, of 16.

We have the GWIS perimeter for this fire, but the VIIRS sensors did not capture it in enough detail: no day-by-day evolution, but the split by municipality is there.

Burnt area
1,813ha
GWIS perimeter (Copernicus)
Duration
5days
25 Jul 2024 – 29 Jul 2024
Municipalities hit
1
regencies
Started on
25 Jul
2024
Danger at start
11
Low · FWI index

Where it burned

The weather it burned in

34°high
29km/h · peak gust
54%lowest humidity

It had gone 13 days without rain (1 mm or more) when it started. Rain came after the fire: 9.4 mm on 30 Jul.

This area had burned before

87% of the perimeter overlaps earlier fires recorded since 2016: 1,511 ha in 2016, 348 ha in 2017, 2,021 ha in 2018, 1,102 ha in 2019, 815 ha in 2021, 1,431 ha in 2022, 735 ha in 2023. Part of it burned more than once, so the yearly figures add up to more than the 1,584 ha that had burned before.

What happened to each town

  1. Sambas where it started
    1,826 ha
    0.3 %

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)
25 Jul 33.5 °C 54 % 29 km/h 0.0 mm Low 11
26 Jul 33.7 °C 54 % 25 km/h 0.0 mm Low 11
27 Jul 33.7 °C 57 % 25 km/h 0.0 mm Moderate 11
28 Jul 33.1 °C 59 % 24 km/h 0.0 mm Moderate 12
29 Jul 33.7 °C 55 % 21 km/h 0.3 mm Moderate 12
30 Jul after 32.0 °C 66 % 26 km/h 9.4 mm Very low 1

Before and after, from space

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

Before · 18 Jul 2024
After · 5 Aug 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 30 July 2024 the air beside the fire reached 125 µg/m³ of PM2.5. That day averaged 58: 3.8 times the WHO daily guideline (15).

PM2.5 peak125 µg/m³
Days over the guideline7 days
PM10180 µg/m³
Optical depth1.98
2324252627282930311
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)

Other fires nearby

All fires in Indonesia ›

Frequently asked questions

How long did the Sambas fire last?
GWIS (Copernicus) dates it between 25 July 2024 and 29 July 2024: 5 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 1,813 hectares (18.1 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Sambas (1,826 ha, 0.3 %).
What was the weather like?
During the fire the temperature reached 33.7 °C, humidity dropped to 54 % and gusts hit 29 km/h. The fire danger index (FWI) reached 12, class Moderate.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Indonesia (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.

Emergency number: 112

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.

Report an error
What do you think is wrong?

We will only use your email to reply about this report. Privacy. This is not an emergency service: if there is a fire now, call 112.

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.