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Wildfires in Nantou
Detected · VIIRS 375 m · Suomi NPP, NOAA-20, NOAA-21 · last 24 hours · updated 2026-10-11 09:22 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 179 km² of Nantou at least once. In an average year it detected fire in 20 km², ranking 10th of 21 regions of Taiwan.
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 2021, with 50 km² detected; the quietest was 2012, with 5.7 km². The 2021–2025 average is 24% higher 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.
February, March and April together hold 52% of the fire-days in the record. The single busiest day was 23 March 2024, with detections in 5 cells.
Ground that burns again
Of the 179 km² with at least one detection, 11% had detections in three or more different years.
| Years with a detection | km² | Share |
|---|---|---|
| 1 year | 121 | 68% |
| 2 years | 38 | 22% |
| 3 to 5 years | 17 | 10% |
| 6 to 10 years | 2.2 | 1.2% |
| 11 years or more | 0.0 | 0.0% |
The half-degree square with the most fire-days is centred at 23.75, 120.75 and holds 82% of the region's fire-days.
The figures
Show the table
| Year | Detected km² | Fire-days |
|---|---|---|
| 2012 | 5.7 | 6 |
| 2013 | 27 | 28 |
| 2014 | 19 | 19 |
| 2015 | 30 | 27 |
| 2016 | 14 | 12 |
| 2017 | 25 | 23 |
| 2018 | 16 | 14 |
| 2019 | 12 | 11 |
| 2020 | 16 | 16 |
| 2021 | 50 | 53 |
| 2022 | 10 | 9 |
| 2023 | 27 | 25 |
| 2024 | 23 | 22 |
| 2025 | 7.9 | 8 |
Other regions of Taiwan
- Changhua80 km² in an average year
- Tainan City68 km² in an average year
- Taichung City57 km² in an average year
- Yunlin57 km² in an average year
- Pingtung51 km² in an average year
- Kaohsiung City51 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.