How long did the Prymorsk fire last?

According to the heat detections seen by satellite, it burned from 21 July 2026 to 29 September 2026 (71 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 168 hectares with fire (1.7 km²); Copernicus will publish the measured figure within days.

What was the weather like?

During the fire the temperature reached 33.9 °C, humidity dropped to 16 % and gusts hit 60 km/h. The fire danger index (FWI) reached 72, class Very extreme.

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.

How did the fires that started in similar weather in this area end?

Fires less than 250 km away that started since 2022 with a similar FWI, humidity and dry spell: 33. Their median duration was 2 days and their median area 196 ha; 3 % went past 1,000 ha. In 9 of 33, not even 1 mm fell in the ten days after the end: they went out without rain. In the rest, the first rainy day brought a median of 2.4 mm.

UA · Ukraine · 21 Jul 2026 – 29 Sept 2026

Prymorsk fire, July 2026 Приморський район · Ukraine

Out · last detection 29 Sept 2026, 11:17 UTC

Satellites first detected fire on 21 July 2026 in Prymorsk, Ukraine. It was active for 71 days, with 96 heat detections and an area with fire of about 168 hectares rebuilt from them, spread across a single municipality.

The power measured by the satellite is low (16.1 MW in the strongest hotspot), more typical of grass or stubble burning, or a slow surface fire, than of a large crown fire.

Use this data

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Suggestions: Melitopol · 2026 Novoazovsk · 2024 Pryazovske · 2026 Prymorsk · 2024

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Fire page data · version 2026-10-24

matches the official recordwith caveatssatellite onlymodel

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Tick the figures you want: they make up the lede and the CSV.

Burned area

satellite only

≈ 168ha

Estimated from hotspots: no perimeter has been published yet.

Source: NASA FIRMS · VIIRS
Date: 21 Jul 2026 – 29 Sept 2026

+ cross-check

This is an estimate from the VIIRS pixels that saw fire. It will change when the perimeter is published.

in my selection

Duration by satellite

satellite only

71days

21 Jul 2026 to 29 Sept 2026: first and last day with fire on the page.

Source: NASA FIRMS · VIIRS
Date: last detection: 29 Sept 2026, 11:17 UTC

+ cross-check

Satellites pass a few times a day and cloud or smoke can hide the fire: a lack of detections is not an official extinction. Each country’s emergency service declares a fire contained or out.

in my selection

Start

satellite only

21 Jul 2026

First day with fire seen by the satellites or the perimeter.

Source: NASA FIRMS · VIIRS
Date: 21 Jul 2026

+ cross-check

No official record is matched to this page, so the alert time and the cause are not known here.

in my selection

Hotspots

satellite only

VIIRS detections at 375 m. Most intense hotspot: 16 MW.

Source: NASA FIRMS · VIIRS (Suomi NPP + NOAA-20)
Date: 21 Jul 2026 – 29 Sept 2026

+ cross-check

There is no official record to compare with. Each hotspot is a pixel detected in one satellite pass, not a separate fire.

in my selection

The worst day

satellite only

89MW

Total radiative power on 12 August 2026; hotspots that day: 10.

Source: NASA FIRMS · VIIRS (FRP)
Date: 12 Aug 2026

+ cross-check

Fire radiative power (FRP) measures the energy the fire gives off when the satellite passes. Added up by day, it compares intensity, not area.

in my selection

Danger at the start

model

31.6FWI · high

Fire Weather Index (Canadian system) computed by WorldFires for the day the fire started. Consecutive days without rain before: 10.

Source: WorldFires calculation (Canadian FWI system)
Date: 21 Jul 2026, local noon
Model: ERA5 0,25° (ECMWF · Copernicus C3S) · Open-Meteo.com

+ cross-check

This is an index computed from weather model data, not a measurement of the fire nor an official warning. Danger warnings are issued by each country’s authority. Emergency number and official warnings

in my selection

Weather during the fire

model

33.9°C · 27% RH

High of 33.9 °C and minimum humidity of 27% on 5 August 2026; gusts of 60 km/h on 23 September 2026.

Source: weather model at the fire’s grid cell
Date: 21 Jul 2026 – 29 Sept 2026
Model: ERA5 0,25° (ECMWF · Copernicus C3S) · Open-Meteo.com

+ cross-check

These are model values for a cell of about 25 km, not from a weather station: they may differ from what was measured on the ground.

in my selection

Versioned permanent link

https://worldfires.org/en/fire/prymorsk-2026-07?v=2026-10-24

A version keeps the area, dates, name and official record; the area as it was logged (changes under 2% are not logged). The map, hotspots and weather always show today’s data.

Citation

A lede of about 60 words figures only, no adjectives

In another language

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CSV for this fire prymorsk-2026-07.csv · daily, no individual hotspots

fecha	focos_viirs	frp_mw	tmax_c	tmin_c	hr_min_pct	viento_max_kmh	racha_max_kmh	precip_mm	fwi	clase_fwi	dentro_del_incendio
2026-07-21	1	8	30.7	19.4	36	14.7	24.8	0	31.6	alto	1
2026-07-22	1	8	30.2	18.5	27	16.2	27	0	34.2	alto	1
2026-07-23	0	0	22.8	18.9	54	24.7	42.8	9.7	5.7	bajo	1
2026-07-24	0	0	27	18.1	44	19.2	36.4	1.3	6.2	bajo	1
2026-07-25	0	0	24.8	17.7	57	18.5	33.5	9.6	11.7	moderado	1
2026-07-26	0	0	27.1	17.2	42	20.6	42.8	4.1	5.3	bajo	1
2026-07-27	0	0	28.7	17	38	19.8	34.6	0	21.6	alto	1
2026-07-28	0	0	27.3	18.8	42	18.8	39.6	2.8	24.4	alto	1
2026-07-29	1	5	25.1	16	32	23.3	43.2	0	16.9	moderado	1
2026-07-30	1	3	26.9	14	29	19.8	37.8	0	27.1	alto	1
2026-07-31	0	0	29.3	16.1	31	16.8	32	0	25.4	alto	1
2026-08-01	2	6	30.9	18.7	34	16.2	26.6	0	23.4	alto	1
2026-08-02	4	8	31.7	19.5	35	17.9	34.2	0	35.2	alto	1
2026-08-03	2	20	31.7	21.6	33	22.9	41.8	0	44.4	muy_alto	1
2026-08-04	1	8	32.3	22.4	33	23.6	40.3	0	44.9	muy_alto	1
2026-08-05	8	58	33.9	20.7	27	14.4	30.2	0	34.8	alto	1
2026-08-06	0	0	33.7	22.1	23	19.7	38.2	0	45.3	muy_alto	1
2026-08-07	4	17	33.7	22.9	26	31.5	56.2	0	71.8	muy_extremo	1
2026-08-08	1	3	33.6	23.9	29	18.9	36.7	0	49	muy_alto	1
2026-08-09	0	0	32.8	22	40	22.6	40.3	1.2	50	extremo	1
2026-08-10	0	0	31.9	22.1	44	18.5	33.1	0.2	24.5	alto	1
2026-08-11	0	0	32.6	22.3	42	12.4	26.3	0	25.9	alto	1
2026-08-12	10	89	31.9	20.7	35	25	41	1	37.1	alto	1
2026-08-13	0	0	25.6	15.7	28	24.6	43.9	0	42.9	muy_alto	1
2026-08-14	2	20	25.6	13.6	25	18.2	33.8	0	40.9	muy_alto	1
2026-08-15	3	31	26.1	12.4	27	15.8	29.5	0	36.3	alto	1
2026-08-16	7	17	27.7	13.3	29	13.8	28.1	0	36.8	alto	1
2026-08-17	0	0	29.8	14.1	24	10.7	21.6	0	39.5	muy_alto	1
2026-08-18	0	0	31.5	15.2	24	14.4	30.6	0	47.1	muy_alto	1
2026-08-19	0	0	27.8	18.8	40	18	31.7	0	39.7	muy_alto	1
2026-08-20	0	0	29.6	15.2	31	16.1	29.5	0	36.5	alto	1
2026-08-21	0	0	29.9	18.2	38	17	32	0	47.3	muy_alto	1
2026-08-22	4	23	32.5	18.4	22	24.5	46.4	0	68.4	extremo	1
2026-08-23	1	5	33.7	20	26	25.3	42.1	0	37.5	alto	1
2026-08-24	1	3	29	19.1	25	24.2	40.3	0	56	extremo	1
2026-08-25	0	0	29.2	16.6	22	14	25.6	0	35.6	alto	1
2026-08-26	0	0	28.3	17.2	31	18.8	32.4	0	47.3	muy_alto	1
2026-08-27	0	0	27.1	18.8	33	22.7	40	0.6	52.2	extremo	1
2026-08-28	0	0	26	17.9	40	22.5	40.7	0.9	36.2	alto	1
2026-08-29	0	0	29.4	18.3	28	27.1	49.3	0	66.1	extremo	1
2026-08-30	0	0	27.9	18.4	24	25.1	47.9	0	66	extremo	1
2026-08-31	3	13	27.8	16	17	24.4	45	0	65.9	extremo	1
2026-09-01	1	1	28.2	16	19	18.4	35.6	0	51.4	extremo	1
2026-09-02	7	24	30.5	16.2	16	10.7	17.3	0	37.1	alto	1
2026-09-03	3	2	29.6	17.2	26	15.7	29.5	0	43.7	muy_alto	1
2026-09-04	6	12	29.1	18.1	26	13.3	22.3	0	37.1	alto	1
2026-09-05	3	13	30.1	16.4	32	22.8	41.4	0	63.7	extremo	1
2026-09-06	1	1	24.9	15.8	38	22.7	39.2	6.1	4.7	muy_bajo	1
2026-09-07	1	2	21.6	13.6	41	25.3	45.7	0	21.8	alto	1
2026-09-08	0	0	23.7	11.3	29	16.2	33.1	0	36.5	alto	1
2026-09-09	7	18	25.4	10	30	10	18.7	0	28.4	alto	1
2026-09-10	0	0	27.2	12.8	35	14.1	24.8	0	32.8	alto	1
2026-09-11	3	20	28.1	13.2	27	10.2	22.7	0	36.1	alto	1
2026-09-12	0	0	29.4	15.5	35	11.1	22.7	0	37.8	alto	1
2026-09-13	2	8	30.6	14.6	28	8.4	19.4	0	35.6	alto	1
2026-09-14	0	0	24.1	17	50	19.3	38.5	0.8	38.9	muy_alto	1
2026-09-15	0	0	17.3	14.7	64	23.9	41.4	0.2	28.4	alto	1
2026-09-16	0	0	22	13.8	45	17.4	33.8	0	28.6	alto	1
2026-09-17	0	0	22.3	12.3	45	12.9	27	0	24.6	alto	1
2026-09-18	1	7	24.2	10.7	39	13.2	26.6	0	30.8	alto	1
2026-09-19	2	16	27.3	12.8	37	15	29.5	0	35.5	alto	1
2026-09-20	2	4	27.3	16.4	40	10.9	22	0	31.8	alto	1
2026-09-21	0	0	26.3	16.7	47	15.6	35.6	0.1	36.9	alto	1
2026-09-22	0	0	21.2	15.3	44	17	29.9	3.1	7.6	bajo	1
2026-09-23	0	0	19	10.9	69	37.2	59.8	15.4	0	muy_bajo	1
2026-09-24	0	0	17.9	10.4	58	22.6	41	0.1	4	muy_bajo	1
2026-09-25	0	0	19.6	8.3	42	10.4	16.2	0	3	muy_bajo	1
2026-09-26	0	0	21.5	11	44	22.3	39.6	0	21.7	alto	1
2026-09-27	0	0	22.2	15.2	53	23.7	38.9	0.8	19.1	moderado	1
2026-09-28	0	0	22.2	16.7	38	31.7	55.1	0	37.5	alto	1
2026-09-29	3	16	22.7	13.4	24	31.7	52.9	0	53.8	extremo	1
2026-09-30	0	0	20.9	11.5	43	27.1	47.9	1.5	38.6	muy_alto	0

It is generated in your browser from this page’s data: one file per fire, aggregated by day and without individual hotspots.

Live widget for your story

It updates itself while the fire is still active and links to this page. Free, with the attribution shown at the bottom.

Sources for this page: NASA FIRMS (VIIRS), ERA5 (ECMWF/Copernicus C3S) · Open-Meteo.com (CC BY 4.0). Open-Meteo.com · How we build fire pages: methodology

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: ≈ 168ha; rebuilt from hotspots, no official perimeter yet
Duration: 71days; 21 Jul 2026 – 29 Sept 2026
Municipalities hit: 0; districts
Started on: 21 Jul; 2026
Heat detections: 96; in a single hotspot: 16 MW
Danger at start: 32; High · FWI index
Average daily power: 15MW; detected power per day, on average

HOTSPOTS BY DAY 21 Jul29 Sept

Play back 29 Sept 2026

How it evolved, day by day

21 Jul 12 Aug 3 Sept 13 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

34°high

60km/h · peak gust

16%lowest humidity

It had gone 10 days without rain (1 mm or more) when it started. Rain came after the fire: 1.5 mm on 30 Sept.

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)
21 Jul	30.7 °C	36 %	25 km/h	0.0 mm	High 32
22 Jul	30.2 °C	27 %	27 km/h	0.0 mm	High 34
23 Jul	22.8 °C	54 %	43 km/h	9.7 mm	Low 6
24 Jul	27.0 °C	44 %	36 km/h	1.3 mm	Low 6
25 Jul	24.8 °C	57 %	34 km/h	9.6 mm	Moderate 12
26 Jul	27.1 °C	42 %	43 km/h	4.1 mm	Low 5
27 Jul	28.7 °C	38 %	35 km/h	0.0 mm	High 22
28 Jul	27.3 °C	42 %	40 km/h	2.8 mm	High 24
29 Jul	25.1 °C	32 %	43 km/h	0.0 mm	Moderate 17
30 Jul	26.9 °C	29 %	38 km/h	0.0 mm	High 27
31 Jul	29.3 °C	31 %	32 km/h	0.0 mm	High 25
1 Aug	30.9 °C	34 %	27 km/h	0.0 mm	High 23
2 Aug	31.7 °C	35 %	34 km/h	0.0 mm	High 35
3 Aug	31.7 °C	33 %	42 km/h	0.0 mm	Very high 44
4 Aug	32.3 °C	33 %	40 km/h	0.0 mm	Very high 45
5 Aug	33.9 °C	27 %	30 km/h	0.0 mm	High 35
6 Aug	33.7 °C	23 %	38 km/h	0.0 mm	Very high 45
7 Aug	33.7 °C	26 %	56 km/h	0.0 mm	Very extreme 72
8 Aug	33.6 °C	29 %	37 km/h	0.0 mm	Very high 49
9 Aug	32.8 °C	40 %	40 km/h	1.2 mm	Extreme 50
10 Aug	31.9 °C	44 %	33 km/h	0.2 mm	High 24
11 Aug	32.6 °C	42 %	26 km/h	0.0 mm	High 26
12 Aug	31.9 °C	35 %	41 km/h	1.0 mm	High 37
13 Aug	25.6 °C	28 %	44 km/h	0.0 mm	Very high 43
14 Aug	25.6 °C	25 %	34 km/h	0.0 mm	Very high 41
15 Aug	26.1 °C	27 %	30 km/h	0.0 mm	High 36
16 Aug	27.7 °C	29 %	28 km/h	0.0 mm	High 37
17 Aug	29.8 °C	24 %	22 km/h	0.0 mm	Very high 40
18 Aug	31.5 °C	24 %	31 km/h	0.0 mm	Very high 47
19 Aug	27.8 °C	40 %	32 km/h	0.0 mm	Very high 40
20 Aug	29.6 °C	31 %	30 km/h	0.0 mm	High 36
21 Aug	29.9 °C	38 %	32 km/h	0.0 mm	Very high 47
22 Aug	32.5 °C	22 %	46 km/h	0.0 mm	Extreme 68
23 Aug	33.7 °C	26 %	42 km/h	0.0 mm	High 38
24 Aug	29.0 °C	25 %	40 km/h	0.0 mm	Extreme 56
25 Aug	29.2 °C	22 %	26 km/h	0.0 mm	High 36
26 Aug	28.3 °C	31 %	32 km/h	0.0 mm	Very high 47
27 Aug	27.1 °C	33 %	40 km/h	0.6 mm	Extreme 52
28 Aug	26.0 °C	40 %	41 km/h	0.9 mm	High 36
29 Aug	29.4 °C	28 %	49 km/h	0.0 mm	Extreme 66
30 Aug	27.9 °C	24 %	48 km/h	0.0 mm	Extreme 66
31 Aug	27.8 °C	17 %	45 km/h	0.0 mm	Extreme 66
1 Sept	28.2 °C	19 %	36 km/h	0.0 mm	Extreme 51
2 Sept	30.5 °C	16 %	17 km/h	0.0 mm	High 37
3 Sept	29.6 °C	26 %	30 km/h	0.0 mm	Very high 44
4 Sept	29.1 °C	26 %	22 km/h	0.0 mm	High 37
5 Sept	30.1 °C	32 %	41 km/h	0.0 mm	Extreme 64
6 Sept	24.9 °C	38 %	39 km/h	6.1 mm	Very low 5
7 Sept	21.6 °C	41 %	46 km/h	0.0 mm	High 22
8 Sept	23.7 °C	29 %	33 km/h	0.0 mm	High 36
9 Sept	25.4 °C	30 %	19 km/h	0.0 mm	High 28
10 Sept	27.2 °C	35 %	25 km/h	0.0 mm	High 33
11 Sept	28.1 °C	27 %	23 km/h	0.0 mm	High 36
12 Sept	29.4 °C	35 %	23 km/h	0.0 mm	High 38
13 Sept	30.6 °C	28 %	19 km/h	0.0 mm	High 36
14 Sept	24.1 °C	50 %	38 km/h	0.8 mm	Very high 39
15 Sept	17.3 °C	64 %	41 km/h	0.2 mm	High 28
16 Sept	22.0 °C	45 %	34 km/h	0.0 mm	High 29
17 Sept	22.3 °C	45 %	27 km/h	0.0 mm	High 25
18 Sept	24.2 °C	39 %	27 km/h	0.0 mm	High 31
19 Sept	27.3 °C	37 %	30 km/h	0.0 mm	High 36
20 Sept	27.3 °C	40 %	22 km/h	0.0 mm	High 32
21 Sept	26.3 °C	47 %	36 km/h	0.1 mm	High 37
22 Sept	21.2 °C	44 %	30 km/h	3.1 mm	Low 8
23 Sept	19.0 °C	69 %	60 km/h	15.4 mm	Very low 0
24 Sept	17.9 °C	58 %	41 km/h	0.1 mm	Very low 4
25 Sept	19.6 °C	42 %	16 km/h	0.0 mm	Very low 3
26 Sept	21.5 °C	44 %	40 km/h	0.0 mm	High 22
27 Sept	22.2 °C	53 %	39 km/h	0.8 mm	Moderate 19
28 Sept	22.2 °C	38 %	55 km/h	0.0 mm	High 38
29 Sept	22.7 °C	24 %	53 km/h	0.0 mm	Extreme 54
30 Sept after	20.9 °C	43 %	48 km/h	1.5 mm	Very high 39

Its twins: fires that started in the same weather

It started with an FWI of 31.6, a minimum humidity of 36% and 10 days without rain. Fires in the area that started in weather like this since 2022: 33.

FWI at the start 31.6

Minimum humidity 36 %

Days without rain 10

this fire chosen twins rest of the area

How alike they must beTwins: 33

Almost identicalSimilar

Outlines of the closest twins

Same scale

Melitopol fire, June 2026

113 ha 1 day FWI 31.1 Min. humidity 35 % 35 km away, in 2026

First rain (1 mm or more) after it ended: 1.9 mm on 4 Jul.

See its page Compare with this fire

What happened to them

2 days
median duration: 196 ha
median area: 3 %
went past 1,000 ha: 2.4 mm
rain at the end (median; 24 of 33 had it)

It burned an area similar to its twins (168 ha against a median of 196 ha) and lasted 71 days, against 2 days.

In 9 of 33, not even 1 mm fell in the ten days after the end: they went out without rain. In the rest, the first rainy day brought a median of 2.4 mm.

This is a bank of analogues: it shows what usually happens, not what will happen. With fewer than 15 twins we give no figures. How we calculate it

How it ended

1.5 mmfirst rain

30 Septthe day after it ended

60km/h · max. gust

It was considered over on 29 Sept, and on 30 Sept 1.5 mm fell. We do not know whether the rain or the firefighters put it out. Twins with rain when they ended: 24 of 33, with a median of 2.4 mm.

Weather on this page: Open-Meteo.com (CC BY 4.0) · Copernicus Climate Change Service (ERA5)

How a twin is chosen

Same area: fires that have already ended, less than 250 km from this one, since 2022.
Same start: we compare the FWI on the first day, the minimum humidity that day and the run of days without rain before it. The slider sets how much they may differ.
Only pages with final weather data (ERA5 reanalysis) calculated in the same way as this fire’s; agricultural and grass burns and pages with data under review are left out.
Fires burning at the same time as this one (a week before or after) are left out: they share the same spell of weather and do not count as a precedent.
They are sorted by similarity, and the outlines of the first five are drawn.

How we calculate it

Before and after, from space

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

↔

Before · 14 Jul 2026

After · 6 Oct 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 17 September 2026 the air beside the fire reached 14 µg/m³ of PM2.5, but no daily average passed the WHO guideline (15).

PM2.5 peak14 µg/m³

Days over the guideline0 days

PM1016 µg/m³

Optical depth0.25

1617181920

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 · 96Every 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 Prymorsk fire last?: According to the heat detections seen by satellite, it burned from 21 July 2026 to 29 September 2026 (71 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 168 hectares with fire (1.7 km²); Copernicus will publish the measured figure within days.
What was the weather like?: During the fire the temperature reached 33.9 °C, humidity dropped to 16 % and gusts hit 60 km/h. The fire danger index (FWI) reached 72, class Very extreme.
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.
How did the fires that started in similar weather in this area end?: Fires less than 250 km away that started since 2022 with a similar FWI, humidity and dry spell: 33. Their median duration was 2 days and their median area 196 ha; 3 % went past 1,000 ha. In 9 of 33, not even 1 mm fell in the ten days after the end: they went out without rain. In the rest, the first rainy day brought a median of 2.4 mm.

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 With cross-checks and a citable version

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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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How we know this

No perimeter yet: the area (≈ 168 ha) is estimated by counting VIIRS pixels with fire, about 14 ha each.
Dates of the first and last VIIRS detection of the cluster. 96 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.

Use this data

Burned area

Duration by satellite

Start

Hotspots

The worst day

Danger at the start

Weather during the fire

What was saved on 24 October 2026

Versioned permanent link

Citation

A lede of about 60 words figures only, no adjectives

CSV for this fire prymorsk-2026-07.csv · daily, no individual hotspots

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Where it burned

How it evolved, day by day

The weather it burned in

The weather day by day

Its twins: fires that started in the same weather

Outlines of the closest twins

What happened to them

How it ended

How a twin is chosen

Before and after, from space

The smoke

Other fires nearby

Frequently asked questions

Where to verify it

Does something look wrong on this page?

Where this data comes from