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Wildfires in Gansu
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 2026-09-23
Between 2012 and 2025, VIIRS detected fire in 20,160 km² of Gansu at least once. In an average year it detected fire in 2,160 km², ranking 23rd of 31 regions of China.
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 2019, with 3,190 km² detected; the quietest was 2024, with 1,500 km². The 2021–2025 average is 14% 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.
August, September and October together hold 33% of the fire-days in the record. The single busiest day was 5 April 2019, with detections in 382 cells.
Ground that burns again
Of the 20,160 km² with at least one detection, 10% had detections in three or more different years.
| Years with a detection | km² | Share |
|---|---|---|
| 1 year | 15,140 | 75% |
| 2 years | 3,080 | 15% |
| 3 to 5 years | 1,570 | 7.8% |
| 6 to 10 years | 247 | 1.2% |
| 11 years or more | 126 | 0.6% |
The half-degree square with the most fire-days is centred at 39.75, 98.25 and holds 18% of the region's fire-days.
The figures
Show the table
| Year | Detected km² | Fire-days |
|---|---|---|
| 2012 | 1,570 | 6,918 |
| 2013 | 2,200 | 8,011 |
| 2014 | 2,220 | 8,211 |
| 2015 | 2,210 | 7,767 |
| 2016 | 2,690 | 8,349 |
| 2017 | 1,950 | 6,644 |
| 2018 | 2,060 | 7,179 |
| 2019 | 3,190 | 7,653 |
| 2020 | 2,770 | 7,491 |
| 2021 | 2,120 | 6,754 |
| 2022 | 1,780 | 6,045 |
| 2023 | 1,890 | 5,975 |
| 2024 | 1,500 | 4,869 |
| 2025 | 2,100 | 5,636 |
Other regions of China
- Heilongjiang37,120 km² in an average year
- Jilin16,470 km² in an average year
- Yunnan15,170 km² in an average year
- Inner Mongolia11,850 km² in an average year
- Guangxi9,620 km² in an average year
- Liaoning8,350 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
- Ömnögovi, Mongolia417 km
- Qinghai452 km
- Ningxia697 km
- Inner Mongolia731 km
- Xinjiang861 km
- Töv, Mongolia1,252 km