AURSEEAursee
Wildfires in Northern
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 35,210 km² of Northern at least once. In an average year it detected fire in 24,690 km², ranking 1st of 4 regions of Sierra Leone.
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 27,190 km² detected; the quietest was 2021, with 21,830 km². The 2021–2025 average is 5.5% 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 72% of the fire-days in the record. The single busiest day was 8 April 2023, with detections in 2,236 cells.
Ground that burns again
Of the 35,210 km² with at least one detection, 98% had detections in three or more different years.
| Years with a detection | km² | Share |
|---|---|---|
| 1 year | 272 | 0.8% |
| 2 years | 293 | 0.8% |
| 3 to 5 years | 1,880 | 5.3% |
| 6 to 10 years | 16,670 | 47% |
| 11 years or more | 16,100 | 46% |
The half-degree square with the most fire-days is centred at 9.25, -11.25 and holds 10% of the region's fire-days.
The figures
Show the table
| Year | Detected km² | Fire-days |
|---|---|---|
| 2012 | 23,260 | 31,079 |
| 2013 | 24,870 | 36,074 |
| 2014 | 27,190 | 43,295 |
| 2015 | 26,990 | 41,257 |
| 2016 | 24,430 | 34,260 |
| 2017 | 24,240 | 33,897 |
| 2018 | 24,830 | 35,568 |
| 2019 | 25,670 | 38,266 |
| 2020 | 24,360 | 34,586 |
| 2021 | 21,830 | 28,899 |
| 2022 | 25,730 | 38,070 |
| 2023 | 24,710 | 35,144 |
| 2024 | 25,480 | 38,466 |
| 2025 | 22,020 | 28,609 |
Other regions of Sierra Leone
- Southern9,440 km² in an average year
- Eastern8,740 km² in an average year
- Western Area221 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.
Nearby regions
- Eastern111 km
- Guéckédou Prefecture, Guinea123 km
- Faranah, Guinea123 km
- Mamou Prefecture, Guinea123 km
- Southern124 km
- Kissidougou Prefecture, Guinea164 km