Hazards
Wildfires
Every large fire mapped from satellite imagery since 1984 by the Monitoring Trends in Burn Severity program.
- 21,273large fires since 1984
- 194.4Macres burned
- 2020worst year, 9.66M acres
- 1,488fires of 25,000 acres or more
2025 194.4Macres burned by large fires so far
Map: the 400 largest fires since 1984, in the order they burned.
Acres burned each year
Total area of large fires by year of ignition. Recent years are completed as mapping catches up.
The largest fires
Each opens its mapped perimeter and the acres it burned in every county.
Recent large fires
| Sharpe Fire | 2026 | 29,710 | CO, OK |
| Line Fire | 2026 | 29,782 | NM, TX |
| Hunggate Fire | 2026 | 34,842 | TX |
| Meade Lake Fire | 2026 | 46,581 | KS |
| Ashby Fire | 2026 | 36,770 | NE |
| Cottonwood Fire | 2026 | 132,350 | NE |
| Morrill Fire | 2026 | 645,316 | NE |
| Road 203 Fire | 2026 | 36,123 | NE |
| National Fire | 2026 | 37,380 | FL |
| Ranger Road Fire | 2026 | 280,127 | KS, OK |
| Salt Fire | 2025 | 26,401 | CA |
| Cottonwood Peak Fire | 2025 | 137,796 | NV |
| Red Canyon Fire | 2025 | 128,476 | WY |
| Jakes Fire | 2025 | 82,900 | NV |
| Gifford Fire | 2025 | 130,896 | CA |
Where they burn
States with the most acres burned, and the county rankings.
- 1Alaska38.4M
- 2California25.2M
- 3Idaho18.0M
- 4Oregon15.1M
- 5Nevada12.8M
- 6Texas10.4M
- 7Montana9.83M
- 8Arizona8.94M
- 9New Mexico7.82M
- 10Washington7.47M
- 11Florida7.18M
- 12Utah5.46M
- 13Wyoming4.88M
- 14Oklahoma4.72M
- 15Colorado3.17M