Nga fire, 1 April 2026 Nga, Nambak
The fire started on 1 April 2026 in Nga, Laos, and satellites saw it burning for 5 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 2,105 hectares from heat detections, spread across 2 municipalities.
It is the 217th largest in Oudomxay since 2016 (of 241 with a page). Number 267 in Laos in 2026, of 287.
- Burnt area
- 2,105ha
- GWIS perimeter (Copernicus)
- Duration
- 5days
- 1 Apr 2026 – 5 Apr 2026
- Municipalities hit
- 2
- districts
- Started on
- 1 Apr
- 2026
- Heat detections
- 27
- in a single hotspot: 210 MW
- Energy released
- 1.4GW
- sum of detected power
Where it burned
How it evolved, day by day
Fire radiative power detected each day, in megawatts, and number of hotspots. The magenta bar marks the peak day.
This area had burned before
92% of the perimeter overlaps earlier fires recorded since 2016: 1,000 ha in 2017, 509 ha in 2018, 1,210 ha in 2019, 665 ha in 2020, 547 ha in 2021, 558 ha in 2023, 855 ha in 2024. Part of it burned more than once, so the yearly figures add up to more than the 1,935 ha that had burned before.
- 1,210 ha Nga fire, March 2019 2,161 ha in total; the hectares shown are those it shares with this fire
- 558 ha Nga fire, March 2023 2,147 ha in total; the hectares shown are those it shares with this fire
- 557 ha Nambak fire, March 2020 2,547 ha in total; the hectares shown are those it shares with this fire
- 547 ha Nambak fire, March 2021 2,927 ha in total; the hectares shown are those it shares with this fire
- 70 ha Nga fire, April 2018 40,796 ha in total; the hectares shown are those it shares with this fire
What happened to each town
-
Nga where it started1,578 ha reached on 1 Apr0.8 %
-
537 ha reached on 3 Apr0.3 %
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.
Before and after, from space
Drag the line to compare the same ground before the fire and after it.
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 · CopernicusOn 5 April 2026 the air beside the fire reached 144 µg/m³ of PM2.5. That day averaged 106: 7.0 times the WHO daily guideline (15).
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 · 27Every satellite heat detection, one by one, with time, satellite, power and coordinates.
| Date and time | Satellite | FRP (MW) | Lat | Lon |
|---|
Other fires nearby
- 40,796 haNga3 April 2018 · 12 days · 11 km away
- 13,537 haNambak24 March 2026 · 21 days · 19 km away
- 14,236 haPark Ou26 March 2024 · 21 days · 31 km away
- 56,191 haPark Ou22 March 2026 · 32 days · 32 km away
- 35,409 haPark Ou9 March 2020 · 29 days · 33 km away
- 18,245 haNga22 March 2023 · 33 days · 36 km away
Frequently asked questions
- How long did the Nga fire last?
- According to the heat detections seen by satellite inside the perimeter, it burned from 1 April 2026 to 5 April 2026 (5 days). The perimeter dates it from 1 April 2026 to 4 April 2026.
- How much area did it burn?
- The perimeter GWIS (Copernicus) rebuilt from heat detections is 2,105 hectares (21.0 km²). It is an estimate: official national figures may differ.
- Which municipalities burned?
- The fire entered 2 municipalities: Nga (1,578 ha, 0.8 %); Nambak (537 ha, 0.3 %).
- 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.
Report an error
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.