5. Washington
> 2012-2021 wildfires: 4,759,873 acres burned, 15,626 wildfires
> 2012-2021 wildfires as pct. of forest land: 21.5% of 22,174,000 forest acres — 11th largest share
> 2021 wildfires: 674,222 acres burned — 4th most, 1,863 wildfires
> 2021 wildfires causes (by acres burned): human: 27.9%; lightning: 72.1%
4. Idaho
> 2012-2021 wildfires: 6,073,752 acres burned, 11,720 wildfires
> 2012-2021 wildfires as pct. of forest land: 28.4% of 21,386,000 forest acres — 6th largest share
> 2021 wildfires: 439,600 acres burned — 6th most, 1,332 wildfires
> 2021 wildfires causes (by acres burned): human: 7.3%; lightning: 92.7%
3. Oregon
> 2012-2021 wildfires: 7,158,686 acres burned, 21,509 wildfires
> 2012-2021 wildfires as pct. of forest land: 24.1% of 29,653,000 forest acres — 8th largest share
> 2021 wildfires: 828,777 acres burned — 2nd most, 2,202 wildfires
> 2021 wildfires causes (by acres burned): human: 21.4%; lightning: 78.6%
2. Alaska
> 2012-2021 wildfires: 11,441,586 acres burned, 4,927 wildfires
> 2012-2021 wildfires as pct. of forest land: 8.9% of 128,577,000 forest acres — 17th largest share
> 2021 wildfires: 253,357 acres burned — 7th most, 384 wildfires
> 2021 wildfires causes (by acres burned): human: 3.9%; lightning: 96.1%
1. California
> 2012-2021 wildfires: 13,130,837 acres burned, 87,335 wildfires
> 2012-2021 wildfires as pct. of forest land: 41.7% of 31,515,000 forest acres — 3rd largest share
> 2021 wildfires: 2,233,666 acres burned — the most, 9,280 wildfires
> 2021 wildfires causes (by acres burned): human: 47.7%; lightning: 52.3%
