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Wildfires in Simiyu
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 9,490 km² of Simiyu at least once. In an average year it detected fire in 2,810 km², ranking 19th of 30 regions of Tanzania.
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 5,270 km² detected; the quietest was 2017, with 470 km². The 2021–2025 average is 70% 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.
June, July and August together hold 82% of the fire-days in the record. The single busiest day was 29 June 2024, with detections in 230 cells.
Ground that burns again
Of the 9,490 km² with at least one detection, 67% had detections in three or more different years.
| Years with a detection | km² | Share |
|---|---|---|
| 1 year | 1,940 | 20% |
| 2 years | 1,210 | 13% |
| 3 to 5 years | 3,420 | 36% |
| 6 to 10 years | 2,850 | 30% |
| 11 years or more | 72 | 0.8% |
The half-degree square with the most fire-days is centred at -2.75, 34.75 and holds 31% of the region's fire-days.
The figures
Show the table
| Year | Detected km² | Fire-days |
|---|---|---|
| 2012 | 2,020 | 1,950 |
| 2013 | 2,330 | 2,259 |
| 2014 | 1,730 | 1,588 |
| 2015 | 1,560 | 1,490 |
| 2016 | 3,470 | 3,499 |
| 2017 | 470 | 412 |
| 2018 | 2,420 | 2,340 |
| 2019 | 1,830 | 1,723 |
| 2020 | 4,600 | 4,807 |
| 2021 | 5,270 | 5,538 |
| 2022 | 2,720 | 2,597 |
| 2023 | 2,680 | 2,621 |
| 2024 | 4,240 | 4,456 |
| 2025 | 4,020 | 4,204 |
Other regions of Tanzania
- Ruvuma34,040 km² in an average year
- Katavi25,860 km² in an average year
- Lindi25,490 km² in an average year
- Mbeya22,410 km² in an average year
- Tabora21,810 km² in an average year
- Morogoro20,130 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
- Mara55 km
- Arusha111 km
- Nyanza, Kenya229 km
- Mwanza283 km
- Dodoma283 km
- Rift Valley, Kenya299 km