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Kham fire, April 2024 Kham

Out · last detection 5 Apr 2024, 05:40 UTC

The fire started on 1 April 2024 in Kham, Laos, and satellites saw it burning for 5 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 2,033 hectares from heat detections, spread across a single municipality.

It is the 107th largest in Xiangkhouang since 2016 (of 107 with a page). Number 106 in Laos in 2024, of 109.

Burnt area
2,033ha
GWIS perimeter (Copernicus)
Duration
5days
1 Apr 2024 – 5 Apr 2024
Municipalities hit
1
districts
Started on
1 Apr
2024
Heat detections
52
in a single hotspot: 169 MW
Energy released
1.6GW
sum of detected power

Where it burned

5 Apr 2024
HOTSPOTS BY DAY 1 Apr5 Apr

How it evolved, day by day

12345

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

This area had burned before

66% of the perimeter overlaps earlier fires recorded since 2016: 549 ha in 2016, 116 ha in 2020, 692 ha in 2023.

What happened to each town

  1. Kham where it started
    2,044 ha reached on 1 Apr
    1.0 %

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.

Before and after, from space

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

Before · 25 Mar 2024
After · 12 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 3 April 2024 the air beside the fire reached 108 µg/m³ of PM2.5. That day averaged 75: 5.0 times the WHO daily guideline (15).

PM2.5 peak108 µg/m³
Days over the guideline10 days
PM10161 µg/m³
Optical depth3.09
303112345678
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 · 52Every 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 Laos ›

Frequently asked questions

How long did the Kham fire last?
According to the heat detections seen by satellite inside the perimeter, it burned from 1 April 2024 to 5 April 2024 (5 days). The perimeter dates it from 1 April 2024 to 4 April 2024.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 2,033 hectares (20.3 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Kham (2,044 ha, 1.0 %).
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Laos (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 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.