How long did the Mongmit fire last?

GWIS (Copernicus) dates it between 25 March 2026 and 3 April 2026: 10 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 2,483 hectares (24.8 km²). It is an estimate: official national figures may differ.

Which municipalities burned?

The fire entered 2 municipalities: Mongmit (1,868 ha, 0.7 %); Mabein (625 ha, 0.1 %).

Where does this data come from?

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

MM · Myanmar (Burma) · 2026-03-25 → 2026-04-03

Mongmit fire, March 2026 Mongmit, Mabein

Out · last detection 3 Apr 2026, 19:07 UTC

The fire started on 25 March 2026 in Mongmit, Myanmar (Burma), and satellites saw it burning for 10 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 2,483 hectares from heat detections, spread across 2 municipalities.

It is the 476th largest in Shan since 2016 (of 723 with a page). Number 292 in Myanmar (Burma) in 2026, of 418.

The power measured by the satellite is low (28.3 MW in the strongest hotspot), more typical of grass or stubble burning, or a slow surface fire, than of a large crown fire.

Burnt area: 2,483ha; GWIS perimeter (Copernicus)
Duration: 10days; 25 Mar 2026 – 3 Apr 2026
Municipalities hit: 2; municipalities
Started on: 25 Mar; 2026
Heat detections: 62; in a single hotspot: 28 MW
Energy released: 478MW; sum of detected power

Play back 3 Apr 2026

HOTSPOTS BY DAY 25 Mar3 Apr

How it evolved, day by day

25262728293031123

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

This area had burned before

70% of the perimeter overlaps earlier fires recorded since 2016: 197 ha in 2020, 270 ha in 2021, 844 ha in 2022, 779 ha in 2024. Part of it burned more than once, so the yearly figures add up to more than the 1,731 ha that had burned before.

What happened to each town

Mongmit where it started

1,868 ha reached on 25 Mar

0.7 %
Mabein

625 ha reached on 26 Mar

0.1 %

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 · 18 Mar 2026

After · 10 Apr 2026

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 3 April 2026 the air beside the fire reached 90 µg/m³ of PM2.5. That day averaged 62: 4.2 times the WHO daily guideline (15).

PM2.5 peak90 µg/m³

Days over the guideline15 days

PM10104 µg/m³

Optical depth1.30

WHO 15

232425262728293031123456

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 · 62Every 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 Myanmar (Burma) ›

Frequently asked questions

How long did the Mongmit fire last?: GWIS (Copernicus) dates it between 25 March 2026 and 3 April 2026: 10 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 2,483 hectares (24.8 km²). It is an estimate: official national figures may differ.
Which municipalities burned?: The fire entered 2 municipalities: Mongmit (1,868 ha, 0.7 %); Mabein (625 ha, 0.1 %).
Where does this data come from?: From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Myanmar (Burma) (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 ↗

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 really happened?

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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 ADM3 (Creative Commons Attribution 4.0 (CC BY 4.0)). 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