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Marinka fire, 12 September 2026 Мар'їнський район · Ukraine

Out · last detection 21 Sept 2026, 10:28 UTC

Satellites first detected fire on 12 September 2026 in Marinka, Ukraine. It was active for 10 days, with 18 heat detections and an area with fire of about 238 hectares rebuilt from them, spread across a single municipality.

Compare with…

Copernicus has not yet published the burnt perimeter, which takes a few days to measure on satellite imagery. For now the area is the one rebuilt from heat detections (about 14 hectares per pixel). When the perimeter arrives, this page picks it up on its own and keeps the same address.

Area with fire
≈ 238ha
rebuilt from hotspots, no official perimeter yet
Duration
10days
12 Sept 2026 – 21 Sept 2026
Municipalities hit
0
districts
Started on
12 Sept
2026
Heat detections
18
in a single hotspot: 72 MW
Danger at start
9
Low · FWI index
Average daily power
49MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 12 Sept21 Sept
21 Sept 2026

How it evolved, day by day

12 Sept 2026 · 25 MW · 6 19 Sept 2026 · 55 MW · 3 20 Sept 2026 · 112 MW · 8 21 Sept 2026 · 5 MW · 1
12 Sept 19 Sept 20 Sept 21 Sept

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

The weather it burned in

26°high
19km/h · peak gust
32%lowest humidity

It had gone 2 days without rain (1 mm or more) when it started.

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)
18 Sept 23.5 °C 35 % 10 km/h 0.0 mm Low 9
19 Sept 25.5 °C 32 % 19 km/h 0.0 mm Moderate 16
20 Sept 26.3 °C 33 % 15 km/h 0.0 mm Moderate 17

Before and after, from space

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

Before · 5 Sept 2026
After · 28 Sept 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 September 2026 the air beside the fire reached 30 µg/m³ of PM2.5. That day averaged 19: 1.2 times the WHO daily guideline (15).

PM2.5 peak30 µg/m³
Days over the guideline1 day
PM1041 µg/m³
Optical depth0.29
16171819
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 · 18Every 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 Ukraine ›

Frequently asked questions

How long did the Marinka fire last?
According to the heat detections seen by satellite, it burned from 12 September 2026 to 21 September 2026 (10 days between the first and the last detection). There is no perimeter yet to date it.
How much area did it burn?
There is no official perimeter yet. Heat detections rebuild about 238 hectares with fire (2.4 km²); Copernicus will publish the measured figure within days.
What was the weather like?
During the fire the temperature reached 25.5 °C, humidity dropped to 32 % and gusts hit 19 km/h. The fire danger index (FWI) reached 16, class Moderate.
Where does this data come from?
From the EFFIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Ukraine (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: 101 · 112 · 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.

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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 101 · 112.

How we know this
  • No perimeter yet: the area (≈ 238 ha) is estimated by counting VIIRS pixels with fire, about 14 ha each.
  • Dates of the first and last VIIRS detection of the cluster. 18 Suomi-NPP VIIRS detections on those dates.
  • 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 and land cover come from the Copernicus European Forest Fire Information System (EFFIS), measured on MODIS and Sentinel-2 imagery and published under CC BY 4.0. 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 (Public Domain). The area per municipality is computed by WorldFires by crossing the perimeter with those boundaries, so it may differ slightly from each country’s official figure.