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Noen Maprang fire, March 2026 เนินมะปราง · Noen Maprang

Out · last detection 19 Mar 2026, 18:49 UTC

The fire started on 13 March 2026 in Noen Maprang, Thailand, and satellites saw it burning for 7 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 1,189 hectares from heat detections, spread across a single municipality.

It is the 41th largest in Phitsanulok Province since 2016 (of 55 with a page). Number 549 in Thailand in 2026, of 689.

The power measured by the satellite is low (4.3 MW in the strongest hotspot), more typical of grass or stubble burning, or a slow surface fire, than of a large crown fire.

Compare with…
Burnt area
1,189ha
GWIS perimeter (Copernicus)
Duration
7days
13 Mar 2026 – 19 Mar 2026
Municipalities hit
1
districts
Started on
13 Mar
2026
Heat detections
10
in a single hotspot: 4 MW
Danger at start
18
Moderate · FWI index
Average daily power
4MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 13 Mar19 Mar
19 Mar 2026

How it evolved, day by day

15 Mar 2026 · 2 MW · 2 17 Mar 2026 · 1 MW · 1 18 Mar 2026 · 13 MW · 5 19 Mar 2026 · 2 MW · 2
15 Mar 17 Mar 18 Mar 19 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

35°high
25km/h · peak gust
40%lowest humidity

It had gone 6 days without rain (1 mm or more) when it started.

This area had burned before

85% of the perimeter overlaps earlier fires recorded since 2016: 249 ha in 2017, 285 ha in 2018, 433 ha in 2019, 979 ha in 2020, 475 ha in 2021, 403 ha in 2023, 274 ha in 2025. Part of it burned more than once, so the yearly figures add up to more than the 1,013 ha that had burned before.

How big is it?

10 km
It burned the equivalent of 0.8% of the area of London (12 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. Noen Maprang เนินมะปราง where it started
    1,197 ha
    1.1 %

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.

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)
13 Mar 30.3 °C 46 % 25 km/h 0.0 mm Moderate 18
14 Mar 32.6 °C 41 % 23 km/h 0.1 mm Moderate 18
15 Mar 33.2 °C 40 % 20 km/h 0.0 mm Moderate 18
16 Mar 33.0 °C 42 % 18 km/h 0.0 mm Moderate 19
17 Mar 33.8 °C 41 % 22 km/h 0.0 mm Moderate 21
18 Mar 34.5 °C 40 % 22 km/h 0.3 mm Moderate 21
19 Mar 34.8 °C 41 % 22 km/h 0.3 mm High 22
20 Mar after 34.9 °C 44 % 28 km/h 0.3 mm High 23
21 Mar after 35.0 °C 45 % 27 km/h 0.1 mm High 24
22 Mar after 35.3 °C 46 % 29 km/h 0.6 mm Moderate 21
23 Mar after 35.3 °C 42 % 25 km/h 0.1 mm High 22
24 Mar after 36.3 °C 45 % 24 km/h 0.1 mm High 21
25 Mar after 37.0 °C 43 % 28 km/h 0.2 mm High 22
26 Mar after 37.0 °C 43 % 26 km/h 0.4 mm High 23
27 Mar after 36.9 °C 43 % 31 km/h 0.2 mm High 25
28 Mar after 36.3 °C 44 % 30 km/h 0.0 mm High 24
29 Mar after 36.8 °C 39 % 29 km/h 0.9 mm High 24

Before and after, from space

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

Before · 6 Mar 2026
After · 26 Mar 2026

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 18 March 2026 the air beside the fire reached 61 µg/m³ of PM2.5. That day averaged 36: 2.4 times the WHO daily guideline (15).

PM2.5 peak61 µg/m³
Days over the guideline12 days
PM1063 µg/m³
Optical depth0.89
111213141516171819202122
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 · 10Every 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 Thailand ›

Frequently asked questions

How long did the Noen Maprang fire last?
GWIS (Copernicus) dates it between 13 March 2026 and 19 March 2026: 7 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 1,189 hectares (11.9 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Noen Maprang (1,197 ha, 1.1 %).
What was the weather like?
During the fire the temperature reached 34.8 °C, humidity dropped to 40 % and gusts hit 25 km/h. The fire danger index (FWI) reached 22, class High.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Thailand (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: 199 · 191 · Emergency number and official warnings ›

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.

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 199 · 191.

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. 10 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.

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.