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Wildfires in Chiayi
Detected · VIIRS 375 m · Suomi NPP, NOAA-20, NOAA-21 · last 24 hours · updated 2026-10-11 07:28 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 351 km² of Chiayi at least once. In an average year it detected fire in 41 km², ranking 7th 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 2014, with 66 km² detected; the quietest was 2016, with 22 km². The 2021–2025 average is 21% 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.
February, March and April together hold 35% of the fire-days in the record. The single busiest day was 9 March 2025, with detections in 10 cells.
Ground that burns again
Of the 351 km² with at least one detection, 14% had detections in three or more different years.
| Years with a detection | km² | Share |
|---|---|---|
| 1 year | 226 | 64% |
| 2 years | 77 | 22% |
| 3 to 5 years | 42 | 12% |
| 6 to 10 years | 4.5 | 1.3% |
| 11 years or more | 1.1 | 0.3% |
The half-degree square with the most fire-days is centred at 23.25, 120.25 and holds 50% of the region's fire-days.
The figures
Show the table
| Year | Detected km² | Fire-days |
|---|---|---|
| 2012 | 50 | 46 |
| 2013 | 48 | 46 |
| 2014 | 66 | 61 |
| 2015 | 57 | 58 |
| 2016 | 22 | 22 |
| 2017 | 33 | 36 |
| 2018 | 39 | 39 |
| 2019 | 31 | 29 |
| 2020 | 36 | 44 |
| 2021 | 53 | 63 |
| 2022 | 24 | 23 |
| 2023 | 39 | 42 |
| 2024 | 34 | 32 |
| 2025 | 41 | 48 |
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.