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Wildfires in Nan
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 10,400 km² of Nan at least once. In an average year it detected fire in 3,670 km², ranking 6th of 77 regions of Thailand.
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 2023, with 5,410 km² detected; the quietest was 2022, with 1,270 km². The 2021–2025 average is 42% 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 89% of the fire-days in the record. The single busiest day was 6 March 2012, with detections in 422 cells.
Ground that burns again
Of the 10,400 km² with at least one detection, 74% had detections in three or more different years.
| Years with a detection | km² | Share |
|---|---|---|
| 1 year | 1,400 | 14% |
| 2 years | 1,300 | 12% |
| 3 to 5 years | 3,550 | 34% |
| 6 to 10 years | 3,750 | 36% |
| 11 years or more | 400 | 3.8% |
The half-degree square with the most fire-days is centred at 18.75, 100.75 and holds 29% of the region's fire-days.
The figures
Show the table
| Year | Detected km² | Fire-days |
|---|---|---|
| 2012 | 5,330 | 7,789 |
| 2013 | 4,870 | 7,303 |
| 2014 | 4,690 | 6,258 |
| 2015 | 4,210 | 5,502 |
| 2016 | 4,660 | 5,952 |
| 2017 | 2,510 | 2,756 |
| 2018 | 2,000 | 2,153 |
| 2019 | 4,810 | 6,122 |
| 2020 | 4,440 | 5,224 |
| 2021 | 1,390 | 1,400 |
| 2022 | 1,270 | 1,256 |
| 2023 | 5,410 | 7,686 |
| 2024 | 3,290 | 3,873 |
| 2025 | 2,450 | 2,823 |
Other regions of Thailand
- Chiang Mai7,750 km² in an average year
- Mae Hong Son6,940 km² in an average year
- Tak6,080 km² in an average year
- Kanchanaburi5,010 km² in an average year
- Lampang4,700 km² in an average year
- Phetchabun3,350 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
- Phayao76 km
- Phrae76 km
- Lampang105 km
- Uttaradit111 km
- Sainyabuli, Lao PDR118 km
- Vientiane, Lao PDR119 km