Fire season starts in about 5 weeks
Fire clock
| Year | Harmonized | Raw |
|---|---|---|
| 2001 | 322 | 11 |
| 2002 | 364 | 18 |
| 2003 | 371 | 56 |
| 2004 | 327 | 48 |
| 2005 | 207 | 23 |
| 2006 | 408 | 75 |
| 2007 | 221 | 24 |
| 2008 | 219 | 26 |
| 2009 | 436 | 70 |
| 2010 | 561 | 101 |
| 2011 | 626 | 130 |
| 2012 | 317 | 298 |
| 2013 | 347 | 347 |
| 2014 | 504 | 504 |
| 2015 | 409 | 409 |
| 2016 | 453 | 453 |
| 2017 | 477 | 477 |
| 2018 | 789 | 976 |
| 2019 | 385 | 806 |
| 2020 | 422 | 902 |
| 2021 | 1035 | 2110 |
| 2022 | 430 | 857 |
| 2023 | 975 | 1983 |
| 2024 | 823 | 1637 |
| 2025 | 757 | 1575 |
| 2026 | 827 | 2682 |
Tap a week to see the detections behind it.
A detection is a heat signal seen from space, not burned area or a count of separate fires.
November vs a usual year
Weeks of 26 Oct – 8 Nov, compared with the same weeks of every year since 2001
Raw satellite data would say 36.0× the usual, because it joins MODIS and VIIRS as they are and VIIRS sees far more small fires. Corrected, it is 4.2×.
Next 7 days
0%
Extreme
Expected detections: ~12.5
What's ahead
Next 7 days
Extreme~13 expected · usual 5.0
Next 3 months
About usual
~152 expected · usual 173
likely 59–478 · usual 40–356
Season
Season
Critical windows
early February – early April
69% of annual activity
mid December – late December
9% of annual activity
The normal year vs 2026
25-year history
Jump test (Pettitt): the raw record jumps in 2013 to 13.7× its earlier level (p < 0.001). ODLAR's record changes level in 2009 (p 0.01): a real change, or a trend.
Unusual years
2001
322
season began 6 weeks early
season ended 4 weeks late
2002
364
season ended 4 weeks late
2003
371
season ended 3 weeks early
2005
207
season began 9 weeks early
2007
221
season ended 3 weeks late
2008
219
season ended 3 weeks late
2010
561
season began 7 weeks early
season ended 3 weeks late
2018
789
peak 2.4× stronger than normal
2021
1,035
2.5× the normal annual activity
peak 3.0× stronger than normal
2023
975
2.3× the normal annual activity
peak 2.0× stronger than normal
2024
823
season ended 4 weeks late
2026
827
peak 2.0× stronger than normal
season began 6 weeks early
season ended 3 weeks early
Right now
This week is more active than 100% of past years at this time