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Wildfires in Bern
Detected · VIIRS 375 m · Suomi NPP, NOAA-20, NOAA-21 · last 24 hours · updated 2026-10-11 05:23 UTC
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Fire history, 2012–2025
Detected · VIIRS S-NPP 375 m · 0.01° cells (~1.1 km) · complete years 2012–2025 · built 2026-09-23
Between 2012 and 2025, VIIRS detected fire in 68 km² of Bern at least once. In an average year it detected fire in 6.3 km², ranking 3rd of 26 regions of Switzerland.
Year by year
Detected area per year, km². Area of 0.01° cells with at least one detection in the year.
The busiest year was 2013, with 11 km² detected; the quietest was 2017, with 2.5 km². The 2021–2025 average is 29% lower than the 2012–2016 average.
Through the year
Share of all fire-days 2012–2025 by month. A fire-day is one cell with a detection on one day.
July, August and September together hold 57% of the fire-days in the record. The single busiest day was 2 August 2013, with detections in 4 cells.
Ground that burns again
Of the 68 km² with at least one detection, 6.1% had detections in three or more different years.
| Years with a detection | km² | Share |
|---|---|---|
| 1 year | 58 | 85% |
| 2 years | 5.9 | 8.7% |
| 3 to 5 years | 2.5 | 3.7% |
| 6 to 10 years | 1.6 | 2.4% |
| 11 years or more | 0.0 | 0.0% |
The half-degree square with the most fire-days is centred at 47.25, 7.25 and holds 28% of the region's fire-days.
The figures
Show the table
| Year | Detected km² | Fire-days |
|---|---|---|
| 2012 | 6.8 | 8 |
| 2013 | 11 | 13 |
| 2014 | 5.9 | 7 |
| 2015 | 8.4 | 10 |
| 2016 | 3.4 | 4 |
| 2017 | 2.5 | 3 |
| 2018 | 6.8 | 8 |
| 2019 | 7.6 | 9 |
| 2020 | 11 | 14 |
| 2021 | 4.2 | 5 |
| 2022 | 5.9 | 7 |
| 2023 | 5.9 | 7 |
| 2024 | 4.2 | 5 |
| 2025 | 5.1 | 6 |
Other regions of Switzerland
- Vaud10 km² in an average year
- Ticino6.6 km² in an average year
- Zürich5.7 km² in an average year
- Fribourg5.4 km² in an average year
- Aargau5.2 km² in an average year
- Lucerne4.6 km² in an average year
- How these figures are madeDetected area, cells, and the single-satellite record.
Detected area counts every 0.01° cell with at least one VIIRS detection, so a small fire counts as a whole cell and a fire missed by cloud or between passes is absent. Borders: Natural Earth 1:10m. 2012 begins on 20 January.