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Active & historical perimeters

73,826 US wildfire perimeters,
155,609,606 acres burned

The NIFC InterAgency Fire Perimeter History tracks every documented US wildfire polygon back to the early 1900s. Browse by year, by state, or jump straight to the biggest fires on record.

Tracked perimeters
73,826
all years
Total acres burned
155,609,606
cumulative
States covered
62
CA leads with 20,298
Largest fire
1,054,154
Smokehouse Creek (2024)
01 The biggest

Top 50 largest US wildfires on record

Sorted by acres burned. Click any row for the perimeter shape and metadata.

#NameStateYearAgencyAcres
1 Smokehouse Creek TX 2024 SF 1,054,154
2 DIXIE CA 2021 USFS 963,309
3 DOE CA 2020 USFS 589,835
4 Elk Mountain — 2007 USFS 578,404
5 Elk Mountain ID 2007 BLM 578,404
6 832015 AK 1988 AFS 558,929
7 Minto Flats South AK 2009 DVF 534,912
8 BISCUIT — 2002 USFS 500,826
9 Rodeo-Chediski AZ 2002 USFS 460,563
10 FYU NE 85 AK 1990 BLM 433,768
11 Martin NV 2018 BLM 431,754
12 PARK CA 2024 CDF 429,603
13 Bootleg OR 2021 USFS 413,715
14 Ranch CA 2018 USFS 410,202
15 Ranch CA 2018 BLM 410,201
16 CREEK CA 2020 USFS 379,881
17 BEAR CREEK AK 1977 AFS 374,389
18 Simels AK 1997 BLM 347,861
19 Hermits Peak NM 2022 USFS 341,734
20 Clover Mist WY 1988 USFS 341,292
21 Milford Flat UT 2007 USFS 337,677
22 Milford Flat UT 2007 BLM 337,677
23 HOPKINS CA 2020 USFS 328,621
24 Black NM 2022 USFS 325,136
25 Claremont CA 2020 USFS 318,777
26 Rock House TX 2011 NPS 314,377
27 Big Creek Two AK 2015 BLM 312,918
28 Rush CA 2012 BLM 307,083
29 Rush CA 2012 BLM 306,810
30 LONG BUTTE ID 2010 BLM 305,995
31 Calf Canyon NM 2022 USFS 299,793
32 DURKEE — 2024 BLM 294,264
33 BTTS S 40 AK 1990 BLM 289,914
34 Mustang Complex ID 2012 USFS 287,852
35 032018 AK 1990 BLM 287,704
36 832064 AK 1988 AFS 284,467
37 THOMAS CA 2017 USFS 281,791
38 Thomas CA 2017 BLM 281,790
39 Saddle Draw OR 2014 BLM 280,310
40 SODA ID 2015 BLM 279,112
41 Sushgitit Hills AK 2015 BLM 276,038
42 Lodgepole Complex MT 2017 BLM 271,421
43 AUGUS AK 1977 AFS 264,488
44 KUGRUK HI AK 1977 AFS 261,909
45 Rim CA 2013 BLM 256,916
46 RIM CA 2013 NPS 256,176
47 Carlton Complex — 2014 USFS 251,965
48 ZACA CA 2007 CDF 240,359
49 Winters NV 2006 BLM 238,463
50 Frozen Calf AK 2019 BLM 237,494
02 Recent decade

Year by year, 2016–2025

Perimeter counts and total acres burned for each of the last 10 fire years.

YearPerimetersAcres burnedBrowse
2025 6 50,073 View 2025 →
2024 3,887 6,482,215 View 2024 →
2023 3,006 1,956,217 View 2023 →
2022 3,000 6,086,589 View 2022 →
2021 3,376 5,970,308 View 2021 →
2020 3,012 7,637,052 View 2020 →
2019 2,833 4,458,469 View 2019 →
2018 2,170 6,943,770 View 2018 →
2017 2,664 7,714,150 View 2017 →
2016 2,124 3,343,923 View 2016 →
03 By state

62 states covered

All states with at least one perimeter on record. Click for the state's full fire history.

CA 20,298 fires 38,834,910 ac OR 4,710 fires 12,939,755 ac AK 4,010 fires 33,094,956 ac ID 3,537 fires 10,507,390 ac AZ 3,228 fires 5,201,816 ac NV 2,484 fires 8,209,712 ac MT 2,386 fires 3,794,684 ac FL 2,342 fires 1,824,198 ac UT 2,152 fires 4,467,801 ac CO 1,696 fires 2,446,228 ac AR 1,376 fires 95,060 ac MO 1,374 fires 103,641 ac WY 1,258 fires 3,405,790 ac NM 1,013 fires 2,836,350 ac WA 977 fires 4,179,000 ac ND 924 fires 155,312 ac SD 805 fires 259,298 ac TX 686 fires 1,750,576 ac NE 636 fires 273,089 ac MN 576 fires 133,634 ac IN 559 fires 15,422 ac OK 534 fires 299,601 ac MS 523 fires 76,358 ac NY 395 fires 1,423 ac WV 320 fires 20,654 ac VA 313 fires 81,655 ac TN 309 fires 62,676 ac LA 305 fires 127,605 ac NC 297 fires 78,591 ac KY 257 fires 18,105 ac US 252 fires 77,128 ac AL 233 fires 36,540 ac GA 213 fires 187,571 ac KS 167 fires 118,119 ac SC 164 fires 31,354 ac IA 129 fires 12,233 ac WI 118 fires 8,473 ac MI 113 fires 11,372 ac IL 85 fires 10,380 ac HI 85 fires 11,793 ac PA 55 fires 3,166 ac OH 47 fires 1,126 ac PR 44 fires 7,897 ac DC 40 fires 152 ac MD 34 fires 2,686 ac 08 28 fires 1,488 ac GU 24 fires 450 ac MA 20 fires 48 ac ME 19 fires 57 ac 09 8 fires 311 ac NJ 6 fires 90 ac NH 5 fires 512 ac DE 4 fires 112 ac ST 2 fires 8 ac LB 2 fires 374 ac DI 2 fires 334 ac VT 1 fires 0 ac VI 1 fires 0 ac SI 1 fires 406 ac CT 1 fires 1 ac 04 1 fires 129,063 ac 01 1 fires 1,042 ac
04 By year

Browse 36 fire years

From 1990 onward.

2025 6 2024 3,887 2023 3,006 2022 3,000 2021 3,376 2020 3,012 2019 2,833 2018 2,170 2017 2,664 2016 2,124 2015 1,995 2014 1,212 2013 1,165 2012 1,511 2011 1,397 2010 1,132 2009 930 2008 840 2007 1,382 2006 1,378 2005 943 2004 740 2003 934 2002 862 2001 926 2000 1,035 1999 1,121 1998 745 1997 593 1996 1,200 1995 772 1994 1,042 1993 605 1992 772 1991 639 1990 883

About this data

Sourced from the NIFC InterAgency Fire Perimeter History ArcGIS service. Polygon geometry is simplified to ≤0.001° tolerance for storage; original full-fidelity perimeters are at fire.nifc.gov. Detail pages are generated for the top 1,000 perimeters by acreage; the full 75,044-perimeter table is queryable via the year and state filters above.