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Wildfires in Tonga
Detected · VIIRS 375 m · Suomi NPP, NOAA-20, NOAA-21 · last 24 hours · updated 2026-10-11 05:23 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 2026-09-21
Between 2012 and 2025, VIIRS detected fire in 258 km² of Tonga at least once. In an average year it detected fire in 45 km², ranking 173rd of 200 countries.
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 76 km² detected; the quietest was 2025, with 23 km². The 2021–2025 average is 45% 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.
June, July and August together hold 30% of the fire-days in the record. The single busiest day was 19 November 2013, with detections in 7 cells.
Ground that burns again
Of the 258 km² with at least one detection, 32% had detections in three or more different years.
| Years with a detection | km² | Share |
|---|---|---|
| 1 year | 102 | 40% |
| 2 years | 74 | 29% |
| 3 to 5 years | 64 | 25% |
| 6 to 10 years | 13 | 5.0% |
| 11 years or more | 4.7 | 1.8% |
The half-degree square with the most fire-days is centred at -19.75, -175.25 and holds 71% of the country's fire-days.
The figures
Show the table
| Year | Detected km² | Fire-days |
|---|---|---|
| 2012 | 55 | 117 |
| 2013 | 64 | 146 |
| 2014 | 76 | 165 |
| 2015 | 67 | 150 |
| 2016 | 41 | 93 |
| 2017 | 32 | 80 |
| 2018 | 42 | 85 |
| 2019 | 37 | 83 |
| 2020 | 46 | 95 |
| 2021 | 36 | 280 |
| 2022 | 30 | 157 |
| 2023 | 43 | 117 |
| 2024 | 33 | 104 |
| 2025 | 23 | 112 |
Nearby countries
- Australia465,550 km² in an average year
- Papua New Guinea22,120 km² in an average year
- New Zealand1,880 km² in an average year
- Fiji1,730 km² in an average year
- New Caledonia584 km² in an average year
- Solomon Islands167 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 countries
- Fiji769 km
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What sits behind each of these fires
Attached to every fire in the list above, and redrawn hourly.
