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Wildfires in Saga Prefecture
Detected · VIIRS 375 m · Suomi NPP, NOAA-20, NOAA-21 · last 24 hours · updated 2026-10-11 08:31 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 273 km² of Saga Prefecture at least once. In an average year it detected fire in 33 km², ranking 21st of 47 regions of Japan.
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 59 km² detected; the quietest was 2016, with 21 km². The 2021–2025 average is 28% 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.
May, June and July together hold 46% of the fire-days in the record. The single busiest day was 10 June 2012, with detections in 12 cells.
Ground that burns again
Of the 273 km² with at least one detection, 14% had detections in three or more different years.
| Years with a detection | km² | Share |
|---|---|---|
| 1 year | 172 | 63% |
| 2 years | 61 | 22% |
| 3 to 5 years | 31 | 11% |
| 6 to 10 years | 8.3 | 3.0% |
| 11 years or more | 0.0 | 0.0% |
The half-degree square with the most fire-days is centred at 33.25, 130.25 and holds 80% of the region's fire-days.
The figures
Show the table
| Year | Detected km² | Fire-days |
|---|---|---|
| 2012 | 32 | 32 |
| 2013 | 23 | 22 |
| 2014 | 34 | 33 |
| 2015 | 35 | 35 |
| 2016 | 21 | 20 |
| 2017 | 30 | 32 |
| 2018 | 28 | 27 |
| 2019 | 42 | 41 |
| 2020 | 27 | 28 |
| 2021 | 59 | 59 |
| 2022 | 30 | 30 |
| 2023 | 27 | 28 |
| 2024 | 45 | 44 |
| 2025 | 25 | 24 |
Other regions of Japan
- Kumamoto Prefecture142 km² in an average year
- Fukuoka Prefecture100 km² in an average year
- Hokkaidō96 km² in an average year
- Aichi Prefecture94 km² in an average year
- Chiba Prefecture77 km² in an average year
- Ōita Prefecture72 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.