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Wildfires in Alberta
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 103,530 km² of Alberta at least once. In an average year it detected fire in 8,430 km², ranking 4th of 13 regions of Canada.
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 37,310 km² detected; the quietest was 2020, with 2,280 km². The 2021–2025 average is 87% 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.
May, June and July together hold 60% of the fire-days in the record. The single busiest day was 23 September 2023, with detections in 7,898 cells.
Ground that burns again
Of the 103,530 km² with at least one detection, 1.6% had detections in three or more different years.
| Years with a detection | km² | Share |
|---|---|---|
| 1 year | 93,010 | 90% |
| 2 years | 8,830 | 8.5% |
| 3 to 5 years | 1,420 | 1.4% |
| 6 to 10 years | 209 | 0.2% |
| 11 years or more | 72 | 0.1% |
The half-degree square with the most fire-days is centred at 58.25, -118.25 and holds 2.1% of the region's fire-days.
The figures
Show the table
| Year | Detected km² | Fire-days |
|---|---|---|
| 2012 | 8,600 | 24,212 |
| 2013 | 3,170 | 7,645 |
| 2014 | 3,700 | 9,136 |
| 2015 | 11,550 | 29,748 |
| 2016 | 6,930 | 15,417 |
| 2017 | 4,160 | 10,011 |
| 2018 | 3,600 | 8,598 |
| 2019 | 10,440 | 30,090 |
| 2020 | 2,280 | 5,157 |
| 2021 | 3,200 | 7,269 |
| 2022 | 3,810 | 10,066 |
| 2023 | 37,310 | 133,778 |
| 2024 | 10,410 | 32,772 |
| 2025 | 8,790 | 23,671 |
Other regions of Canada
- British Columbia11,620 km² in an average year
- Northwest Territories10,790 km² in an average year
- Saskatchewan10,300 km² in an average year
- Manitoba6,670 km² in an average year
- Quebec4,640 km² in an average year
- Ontario2,970 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
- Northwest Territories459 km
- British Columbia726 km
- Saskatchewan976 km
- Washington, United States1,064 km
- Manitoba1,092 km
- Montana, United States1,267 km