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Wildfires in Trenčín
Detected · VIIRS 375 m · Suomi NPP, NOAA-20, NOAA-21 · last 24 hours · updated 2026-10-11 06:21 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 92 km² of Trenčín at least once. In an average year it detected fire in 9.2 km², ranking 8th of 8 regions of Slovakia.
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 2015, with 16 km² detected; the quietest was 2023, with 3.3 km². The 2021–2025 average is 47% 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.
June, July and August together hold 60% of the fire-days in the record. The single busiest day was 31 July 2024, with detections in 4 cells.
Ground that burns again
Of the 92 km² with at least one detection, 11% had detections in three or more different years.
| Years with a detection | km² | Share |
|---|---|---|
| 1 year | 78 | 84% |
| 2 years | 4.1 | 4.5% |
| 3 to 5 years | 9.7 | 11% |
| 6 to 10 years | 0.0 | 0.0% |
| 11 years or more | 0.8 | 0.9% |
The half-degree square with the most fire-days is centred at 49.25, 18.25 and holds 47% of the region's fire-days.
The figures
Show the table
| Year | Detected km² | Fire-days |
|---|---|---|
| 2012 | 15 | 34 |
| 2013 | 9.8 | 12 |
| 2014 | 7.3 | 14 |
| 2015 | 16 | 24 |
| 2016 | 13 | 29 |
| 2017 | 13 | 18 |
| 2018 | 7.3 | 9 |
| 2019 | 9.8 | 12 |
| 2020 | 7.3 | 11 |
| 2021 | 6.5 | 9 |
| 2022 | 5.7 | 10 |
| 2023 | 3.3 | 6 |
| 2024 | 9.0 | 34 |
| 2025 | 7.3 | 19 |
Other regions of Slovakia
- Košice43 km² in an average year
- Banská Bystrica27 km² in an average year
- Prešov19 km² in an average year
- Nitra18 km² in an average year
- Žilina15 km² in an average year
- Bratislava15 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.