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Wildfires in San Luis
Detected · VIIRS 375 m · Suomi NPP, NOAA-20, NOAA-21 · last 24 hours · updated 2026-10-12 08:29 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 16,860 km² of San Luis at least once. In an average year it detected fire in 1,520 km², ranking 15th of 24 regions of Argentina.
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 2020, with 2,670 km² detected; the quietest was 2012, with 746 km². The 2021–2025 average is 5.8% 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.
August, September and October together hold 51% of the fire-days in the record. The single busiest day was 20 September 2024, with detections in 336 cells.
Ground that burns again
Of the 16,860 km² with at least one detection, 3.9% had detections in three or more different years.
| Years with a detection | km² | Share |
|---|---|---|
| 1 year | 13,330 | 79% |
| 2 years | 2,880 | 17% |
| 3 to 5 years | 629 | 3.7% |
| 6 to 10 years | 29 | 0.2% |
| 11 years or more | 1.0 | 0.0% |
The half-degree square with the most fire-days is centred at -33.25, -66.25 and holds 8.6% of the region's fire-days.
The figures
Show the table
| Year | Detected km² | Fire-days |
|---|---|---|
| 2012 | 746 | 892 |
| 2013 | 1,860 | 2,104 |
| 2014 | 1,280 | 1,524 |
| 2015 | 836 | 953 |
| 2016 | 1,510 | 1,723 |
| 2017 | 2,420 | 2,752 |
| 2018 | 2,110 | 2,415 |
| 2019 | 1,290 | 1,490 |
| 2020 | 2,670 | 3,214 |
| 2021 | 993 | 1,139 |
| 2022 | 1,980 | 2,197 |
| 2023 | 1,350 | 1,564 |
| 2024 | 1,360 | 1,543 |
| 2025 | 914 | 1,086 |
Other regions of Argentina
- Santa Fe14,200 km² in an average year
- Formosa11,650 km² in an average year
- Corrientes10,870 km² in an average year
- Chaco8,420 km² in an average year
- Santiago del Estero7,400 km² in an average year
- Salta4,340 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
- Mendoza239 km
- San Juan250 km
- Libertador General Bernardo O'Higgins, Chile386 km
- Región Metropolitana de Santiago, Chile418 km
- Valparaíso, Chile423 km
- La Rioja454 km