How long did the Veselynove fire last?

According to the heat detections seen by satellite inside the perimeter, it burned from 8 August 2025 to 9 August 2025 (2 days). The perimeter dates it from 9 August 2025 to 9 August 2025.

How much area did it burn?

The perimeter Copernicus measured from satellite imagery is 119 hectares (1.2 km²). Official national figures may differ.

Which municipalities burned?

The fire only entered Veselynove (118 ha, 0.1 %).

What was the weather like?

During the fire the temperature reached 32.9 °C, humidity dropped to 20 % and gusts hit 35 km/h. The fire danger index (FWI) reached 41, class Very high.

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.

UA · Ukraine · 2025-08-08 → 2025-08-09

Veselynove fire, 8 August 2025 Veselynove

Out · last detection 9 Aug 2025, 10:47 UTC

The fire started on 8 August 2025 in Veselynove, Ukraine, and satellites saw it burning for 2 days. Copernicus mapped a burnt perimeter of 119 hectares from satellite imagery, spread across a single municipality.

It is the 99th largest in Mykolaiv Oblast since 2016 (of 115 with a page). Number 1132 in Ukraine in 2025, of 1359.

The power measured by the satellite is low (12.7 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…

Suggestions: Mykolaiv · 2023 Mykolaiv · 2023 Mykolaiv · 2025 Mykolaiv · 2022

Burnt area: 119ha; Copernicus perimeter
Duration: 2days; 8 Aug 2025 – 9 Aug 2025
Municipalities hit: 1; districts
Started on: 8 Aug; 2025
Heat detections: 2; in a single hotspot: 13 MW
Danger at start: 41; Very high · FWI index
Average daily power: 24MW; detected power per day, on average

HOTSPOTS BY DAY 8 Aug9 Aug

How it evolved, day by day

9 Aug 2025 · 24 MW · 2

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

The weather it burned in

33°high

35km/h · peak gust

20%lowest humidity

It had gone 19 days without rain (1 mm or more) when it started.

This area had burned before

No earlier perimeters overlap this fire since 2016, when the satellite record begins.

What happened to each town

Veselynove where it started

118 ha reached on 9 Aug

0.1 %

Burnt area inside each municipality, from crossing the official 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.

What burned

Agricultural areas85 %
Other natural land15 %

Land cover inside the perimeter as reported by Copernicus EFFIS (outside the Corine Land Cover area).

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)
9 Aug	32.9 °C	20 %	35 km/h	0.0 mm	Very high 41
10 Aug after	31.6 °C	23 %	29 km/h	0.0 mm	Very high 39
11 Aug after	30.3 °C	25 %	49 km/h	0.5 mm	Extreme 51
12 Aug after	28.6 °C	25 %	29 km/h	0.0 mm	Very high 41
13 Aug after	30.7 °C	23 %	21 km/h	0.0 mm	High 36
14 Aug after	32.0 °C	20 %	27 km/h	0.0 mm	Very high 39
15 Aug after	29.3 °C	20 %	38 km/h	0.0 mm	Very high 45
16 Aug after	29.9 °C	26 %	25 km/h	0.0 mm	High 38
17 Aug after	31.9 °C	23 %	27 km/h	0.0 mm	Very high 42
18 Aug after	28.4 °C	31 %	47 km/h	0.3 mm	Very high 46
19 Aug after	26.3 °C	26 %	30 km/h	0.0 mm	High 37

Before and after, from space

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

↔

Before · 1 Aug 2025

After · 16 Aug 2025

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 11 August 2025 the air beside the fire reached 10 µg/m³ of PM2.5, but no daily average passed the WHO guideline (15).

PM2.5 peak10 µg/m³

Days over the guideline0 days

PM1012 µg/m³

Optical depth0.47

789101112

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 · 2Every 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 Ukraine ›

Frequently asked questions

How long did the Veselynove fire last?: According to the heat detections seen by satellite inside the perimeter, it burned from 8 August 2025 to 9 August 2025 (2 days). The perimeter dates it from 9 August 2025 to 9 August 2025.
How much area did it burn?: The perimeter Copernicus measured from satellite imagery is 119 hectares (1.2 km²). Official national figures may differ.
Which municipalities burned?: The fire only entered Veselynove (118 ha, 0.1 %).
What was the weather like?: During the fire the temperature reached 32.9 °C, humidity dropped to 20 % and gusts hit 35 km/h. The fire danger index (FWI) reached 41, class Very high.
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 ›

ДСНС · State Emergency Service ↗

Satellite cross-check

NASA FIRMS ↗
EFFIS · Copernicus ↗

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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What really happened?

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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

Perimeter: EFFIS (Copernicus), mapped on satellite imagery.
Dates adjusted with the VIIRS detections inside the perimeter, which said 9 August 2025 to 9 August 2025. 2 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 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.

Where it burned