Burned area
satellite only1,697ha
Perimeter published by GWIS (Copernicus).
- Source
- GWIS (Copernicus)
- Date
- 28 Oct 2026 – 28 Oct 2026
+− cross-check
No official record is matched to this page to compare it with.
CN · China ·
Ganyu District fire, 28 October 2026 赣榆区 · Ganyu District
Out · last detection 28 Oct 2026, 05:06 UTC
The fire started on 28 October 2026 in Ganyu District, China, and satellites saw it burning for 1 day. Copernicus’s global GWIS system rebuilt a burnt perimeter of 1,697 hectares from heat detections, spread across a single municipality.
Number 531 in China in 2026, of 1105.
GWIS near-real-time perimeter, from the layer that changed in October 2025: this fire is not compared with fires from earlier years, because since then the GWIS layer gives more and larger perimeters.
The power measured by the satellite is low (11.6 MW in the strongest hotspot), more typical of grass or stubble burning, or a slow surface fire, than of a large crown fire.
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Suggestions: Ganyu District · 2026Haizhou District · 2026
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Fire page data · version 2026-10-29matches the official recordwith caveatssatellite onlymodel
When copying, the sentence is
Tick the figures you want: they make up the lede and the CSV.
Duration by satellite
satellite only1day
28 Oct 2026 to 28 Oct 2026: first and last day with fire on the page.
- Source
- GWIS (Copernicus) · NASA FIRMS · VIIRS
- Date
- last detection: 28 Oct 2026, 05:06 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.
Start
satellite only28 Oct 2026
First day with fire seen by the satellites or the perimeter.
- Source
- GWIS (Copernicus) · NASA FIRMS · VIIRS
- Date
- 28 Oct 2026
+− cross-check
No official record is matched to this page, so the alert time and the cause are not known here.
Hotspots
satellite only47
VIIRS detections at 375 m. Most intense hotspot: 12 MW.
- Source
- NASA FIRMS · VIIRS (Suomi NPP)
- Date
- 28 Oct 2026 – 28 Oct 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.
The worst day
satellite only205MW
Total radiative power on 28 October 2026; hotspots that day: 47.
- Source
- NASA FIRMS · VIIRS (FRP)
- Date
- 28 Oct 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.
Danger at the start
model12.4FWI · moderate
Fire Weather Index (Canadian system) computed by WorldFires for the day the fire started. Consecutive days without rain before: 7.
- Source
- WorldFires calculation (Canadian FWI system)
- Date
- 28 Oct 2026, local noon
- Model
- ECMWF IFS 0,25° · Open-Meteo.com · provisional
+− 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
Weather during the fire
model18.9°C · 43% RH
High of 18.9 °C and minimum humidity of 43% on 28 October 2026; gusts of 24 km/h on 28 October 2026.
- Source
- weather model at the fire’s grid cell
- Date
- 28 Oct 2026 – 28 Oct 2026
- Model
- ECMWF IFS 0,25° · Open-Meteo.com · provisional
+− 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.
This page’s change log has been kept since 29 October 2026: every night what it publishes is compared and the difference is logged. Anything earlier is reconstructed from each source’s date and marked as reconstructed.
Show
-
· reconstructed weatherWeather and FWI computed from the forecast (provisional until ERA5 arrives)
-
logPage published (1,697 ha).
What was saved on 29 October 2026
Every night a snapshot of what the page shows is saved. If anything changes, it appears in the list as a log entry.
- Area
- 1,697 ha
- Dates
- 28 Oct 2026 – ongoing
- Name
- Ganyu District
- Official record
- —
Versioned permanent link
https://worldfires.org/en/fire/ganyu-district-2026-10-2?v=2026-10-29A 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
CSV for this fire ganyu-district-2026-10-2.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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-10-28 | 47 | 205 | 18.9 | 7.6 | 43 | 11.6 | 24.1 | 0 | 12.4 | moderado | 1 |
| 2026-10-29 | 0 | 0 | 18.3 | 11.4 | 63 | 18.1 | 35.6 | 3.3 | 2.9 | muy_bajo | 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: GWIS (Copernicus), NASA FIRMS (VIIRS), ECMWF IFS · Open-Meteo.com (CC BY 4.0). Open-Meteo.com · How we build fire pages: methodology
- Burnt area
- 1,697ha
- GWIS perimeter (Copernicus)
- Duration
- 1day
- 28 Oct 2026 – 28 Oct 2026
- Municipalities hit
- 1
- counties
- Started on
- 28 Oct
- 2026
- Heat detections
- 47
- in a single hotspot: 12 MW
- Danger at start
- 12
- Moderate · FWI index
- Average daily power
- 205MW
- detected power per day, on average
Where it burned
HOTSPOTS BY DAY
28 Oct28 Oct
How it evolved, day by day
28 Oct 2026 · 205 MW · 47
Fire radiative power detected each day, in megawatts, and number of hotspots. The magenta bar marks the peak day.
The weather it burned in
19°high
24km/h · peak gust
43%lowest humidity
It had gone 7 days without rain (1 mm or more) when it started. Rain came after the fire: 3.3 mm on 29 Oct.
This area had burned before
No earlier perimeters overlap this fire since 2016, when the satellite record begins.
How big is it?
London boundary: geoBoundaries · Office for National Statistics (Open Government Licence v3.0).
Beijing (Dongcheng and Xicheng) boundary: geoBoundaries · Lee Beryman, OpenStreetMap · © OpenStreetMap contributors (ODbL 1.0).
Paris boundary: geoBoundaries · Institut national de l'information géographique et forestière (IGN-F) (Etalab Open License 2.0).
Madrid boundary: geoBoundaries · Open Data ESRI, IGN Central Registry of Cartography Area (CC BY 4.0).
This compares size, not location: both shapes are at the same scale, north up, centred on each other.
What happened to each town
-
1,697 ha reached on 28 Oct1.2 %
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) · forecast models, provisional until the ERA5 reanalysis arrives
| Day | High | Min. humidity | Peak gust | Rain | Danger (FWI) |
|---|---|---|---|---|---|
| 28 Oct | 18.9 °C | 43 % | 24 km/h | 0.0 mm | Moderate 12 |
| 29 Oct after | 18.3 °C | 63 % | 36 km/h | 3.3 mm | Very low 3 |
Before and after, from space
Drag the line to compare the same ground before the fire and after it.
↔
Before · 21 Oct 2026
After · 4 Nov 2026
Sentinel-2 did not pass over on that day. Try another date, or use false colour, which is daily.
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 · CopernicusOn 26 October 2026 the air beside the fire reached 40 µg/m³ of PM2.5. That day averaged 29: 1.9 times the WHO daily guideline (15).
PM2.5 peak40 µg/m³
Days over the guideline3 days
PM1060 µg/m³
Optical depth0.85
WHO 15
262728
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 · 47Every 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
Frequently asked questions
- How long did the Ganyu District fire last?
- GWIS (Copernicus) dates it between 28 October 2026 and 28 October 2026: 1 day 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 1,697 hectares (17.0 km²). It is an estimate: official national figures may differ.
- Which municipalities burned?
- The fire only entered Ganyu District (1,697 ha, 1.2 %).
- Is the Ganyu District fire still active?
- No fire detections since 28 Oct 2026, 05:06 UTC. A lack of detections is not an official extinction.
- What was the weather like?
- During the fire the temperature reached 18.9 °C, humidity dropped to 43 % and gusts hit 24 km/h. The fire danger index (FWI) reached 12, class Moderate.
- Where does this data come from?
- From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of China (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: 119 · Emergency number and official warnings
Satellite cross-check
History of this page · 1 Changes in area, dates, name, official record or merged pages, compared every night since 29 October 2026.
- Page published (1,697 ha).
RSS Changes to this page With cross-checks and a citable version
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
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. 47 Suomi-NPP VIIRS detections on those dates.
- We have not matched this page with any official record.
- Weather: ECMWF IFS model, provisional until the ERA5 reanalysis arrives.
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 (Open Data Commons Open Database License 1.0). 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.