# Wildfires in Japan in 2022

21 fires larger than 200 hectares in Japan in 2022, with 15,960 hectares burned according to their perimeters. Here is the whole year: what the official record says, when and where it burned and what the weather was like.

## The year in a few sentences

- According to Copernicus GWIS, 18,456 hectares burned in Japan in 2022: 1.8 times the average of the other years from 2012 to 2024 (10,515 ha). It is the year with the most burned area of the 13 in the record. (Copernicus GWIS)
- The worst week was 5 March to 11 March: 9,392 hectares burned in seven days, 51% of the year according to Copernicus GWIS. (Copernicus GWIS)
- The largest fire was the Aso fire, which started on 6 March 2022 and burned 4,010 hectares: 25% of the area of the year's 21 fires with a page. (WorldFires)
- The day of highest danger at a fire this year was 10 April 2022: a Fire Weather Index of 9 (low on the EFFIS scale) at the Akioota fire, calculated by WorldFires from ERA5. (WorldFires · ERA5)

## Month by month

Hectares within the perimeters by the month the fire started. Tap a month to see it on the map.

| Month | Fires | Hectares |
|---|---:|---:|
| January | 1 | 320 |
| February | 4 | 2,699 |
| March | 8 | 9,401 |
| April | 6 | 2,916 |
| May | 1 | 400 |
| June | 0 | 0 |
| July | 0 | 0 |
| August | 0 | 0 |
| September | 1 | 224 |
| October | 0 | 0 |
| November | 0 | 0 |
| December | 0 | 0 |

## Week by week, against other years (Copernicus GWIS)

The average and the band are the Copernicus GWIS climatology for 2012–2025, which includes 2022 itself.

| Week | 2022 | That week | average | lowest and highest |
|---|---:|---:|---:|---:|
| 1 (1 Jan–7 Jan) | 0 | 0 | 0 | 0–0 |
| 2 (8 Jan–14 Jan) | 0 | 0 | 135 | 0–568 |
| 3 (15 Jan–21 Jan) | 0 | 0 | 158 | 0–568 |
| 4 (22 Jan–28 Jan) | 320 | 320 | 211 | 0–568 |
| 5 (29 Jan–4 Feb) | 320 | 0 | 468 | 0–1,324 |
| 6 (5 Feb–11 Feb) | 320 | 0 | 566 | 0–1,324 |
| 7 (12 Feb–18 Feb) | 320 | 0 | 802 | 0–1,985 |
| 8 (19 Feb–25 Feb) | 320 | 0 | 1,174 | 320–3,658 |
| 9 (26 Feb–4 Mar) | 3,227 | 2,907 | 1,784 | 392–4,622 |
| 10 (5 Mar–11 Mar) | 12,619 | 9,392 | 5,090 | 879–12,712 |
| 11 (12 Mar–18 Mar) | 12,801 | 182 | 6,228 | 1,557–13,292 |
| 12 (19 Mar–25 Mar) | 13,096 | 295 | 8,182 | 1,557–14,628 |
| 13 (26 Mar–1 Apr) | 13,096 | 0 | 8,594 | 2,395–14,758 |
| 14 (2 Apr–8 Apr) | 13,849 | 753 | 8,794 | 2,545–15,282 |
| 15 (9 Apr–15 Apr) | 16,379 | 2,530 | 9,339 | 3,043–16,379 |
| 16 (16 Apr–22 Apr) | 17,178 | 799 | 9,621 | 3,359–17,178 |
| 17 (23 Apr–29 Apr) | 17,178 | 0 | 9,751 | 3,359–17,178 |
| 18 (30 Apr–6 May) | 17,178 | 0 | 9,850 | 3,359–17,178 |
| 19 (7 May–13 May) | 17,772 | 594 | 10,329 | 3,359–17,772 |
| 20 (14 May–20 May) | 17,772 | 0 | 10,509 | 4,310–17,772 |
| 21 (21 May–27 May) | 17,772 | 0 | 10,538 | 4,310–17,772 |
| 22 (28 May–3 Jun) | 17,772 | 0 | 10,538 | 4,310–17,772 |
| 23 (4 Jun–10 Jun) | 17,772 | 0 | 10,538 | 4,310–17,772 |
| 24 (11 Jun–17 Jun) | 17,772 | 0 | 10,550 | 4,310–17,772 |
| 25 (18 Jun–24 Jun) | 17,878 | 106 | 10,558 | 4,310–17,878 |
| 26 (25 Jun–1 Jul) | 17,878 | 0 | 10,558 | 4,310–17,878 |
| 27 (2 Jul–8 Jul) | 17,878 | 0 | 10,580 | 4,310–17,878 |
| 28 (9 Jul–15 Jul) | 17,878 | 0 | 10,593 | 4,310–17,878 |
| 29 (16 Jul–22 Jul) | 17,878 | 0 | 10,602 | 4,310–17,878 |
| 30 (23 Jul–29 Jul) | 17,878 | 0 | 10,613 | 4,310–17,878 |
| 31 (30 Jul–5 Aug) | 17,878 | 0 | 10,619 | 4,310–17,878 |
| 32 (6 Aug–12 Aug) | 17,878 | 0 | 10,643 | 4,329–17,878 |
| 33 (13 Aug–19 Aug) | 17,878 | 0 | 10,671 | 4,368–17,878 |
| 34 (20 Aug–26 Aug) | 17,903 | 25 | 10,678 | 4,368–17,903 |
| 35 (27 Aug–2 Sept) | 17,903 | 0 | 10,684 | 4,368–17,903 |
| 36 (3 Sept–9 Sept) | 18,127 | 224 | 10,714 | 4,368–18,127 |
| 37 (10 Sept–16 Sept) | 18,308 | 181 | 10,850 | 4,368–18,308 |
| 38 (17 Sept–23 Sept) | 18,308 | 0 | 10,937 | 4,368–18,308 |
| 39 (24 Sept–30 Sept) | 18,308 | 0 | 11,074 | 4,368–18,308 |
| 40 (1 Oct–7 Oct) | 18,308 | 0 | 11,202 | 4,579–18,308 |
| 41 (8 Oct–14 Oct) | 18,456 | 148 | 11,258 | 4,579–18,456 |
| 42 (15 Oct–21 Oct) | 18,456 | 0 | 11,302 | 4,656–18,456 |
| 43 (22 Oct–28 Oct) | 18,456 | 0 | 11,324 | 4,656–18,456 |
| 44 (29 Oct–4 Nov) | 18,456 | 0 | 11,337 | 4,656–18,456 |
| 45 (5 Nov–11 Nov) | 18,456 | 0 | 11,337 | 4,656–18,456 |
| 46 (12 Nov–18 Nov) | 18,456 | 0 | 11,348 | 4,656–18,456 |
| 47 (19 Nov–25 Nov) | 18,456 | 0 | 11,348 | 4,656–18,456 |
| 48 (26 Nov–2 Dec) | 18,456 | 0 | 11,359 | 4,656–18,456 |
| 49 (3 Dec–9 Dec) | 18,456 | 0 | 11,376 | 4,656–18,456 |
| 50 (10 Dec–16 Dec) | 18,456 | 0 | 11,397 | 4,656–18,456 |
| 51 (17 Dec–23 Dec) | 18,456 | 0 | 11,397 | 4,656–18,456 |
| 52 (24 Dec–30 Dec) | 18,456 | 0 | 11,397 | 4,656–18,456 |

## Largest recorded fires

- [Aso fire, 6 March 2022](https://worldfires.org/en/fire/aso-2022-03.md) · 4,010 ha
- [Aso fire, 6 March 2022](https://worldfires.org/en/fire/aso-2022-03-2.md) · 2,922 ha
- [????? fire, April 2022](https://worldfires.org/en/fire/-yamanashi-2022-04.md) · 1,623 ha
- [Yamato fire, February 2022](https://worldfires.org/en/fire/yamato-kumamoto-2022-02.md) · 1,417 ha
- [Aso fire, 6 March 2022](https://worldfires.org/en/fire/aso-2022-03-3.md) · 745 ha
- [Gotenba fire, February 2022](https://worldfires.org/en/fire/gotenba-2022-02.md) · 712 ha
- [Nishihara fire, March 2022](https://worldfires.org/en/fire/nishihara-kumamoto-2022-03.md) · 651 ha
- [Eniwa fire, May 2022](https://worldfires.org/en/fire/eniwa-2022-05.md) · 400 ha
- [Kusu fire, March 2022](https://worldfires.org/en/fire/kusu-2022-03.md) · 363 ha
- [Taketa fire, February 2022](https://worldfires.org/en/fire/taketa-2022-02.md) · 336 ha
- [Gotenba fire, January 2022](https://worldfires.org/en/fire/gotenba-2022-01.md) · 320 ha
- [Ubuyama fire, March 2022](https://worldfires.org/en/fire/ubuyama-2022-03.md) · 295 ha
- [Misawa fire, April 2022](https://worldfires.org/en/fire/misawa-2022-04.md) · 295 ha
- [Osato fire, April 2022](https://worldfires.org/en/fire/osato-2022-04.md) · 289 ha
- [Mimasaka fire, April 2022](https://worldfires.org/en/fire/mimasaka-2022-04.md) · 286 ha
- [Kanda fire, February 2022](https://worldfires.org/en/fire/kanda-2022-02.md) · 234 ha
- [Osato fire, September 2022](https://worldfires.org/en/fire/osato-2022-09.md) · 224 ha
- [Kotoura fire, April 2022](https://worldfires.org/en/fire/kotoura-2022-04.md) · 218 ha
- [Ebino fire, March 2022](https://worldfires.org/en/fire/ebino-2022-03.md) · 209 ha
- [Minami Oguni fire, March 2022](https://worldfires.org/en/fire/minami-oguni-2022-03.md) · 206 ha

## Sources and limits

Fire-page areas are satellite-measured perimeters and may differ from official statistics. The yearly and weekly record is the Copernicus GWIS estimate. The FWI is our own calculation from ERA5 at each fire's location: it is not an official danger warning.

## How to cite

WorldFires, “Wildfires in Japan in 2022”, https://worldfires.org/en/country/japan/2022 (accessed 15 November 2026). Sources: Copernicus GWIS, WorldFires, WorldFires · ERA5, NASA FIRMS (VIIRS).

> Experimental site with automatically processed open data: it may contain errors and is not an official emergency service. If there is a fire, call your local emergency number.

Full version with maps: https://worldfires.org/en/country/japan/2022