# Wildfires in Brazil in 2021

814 fires larger than 3,000 hectares in Brazil in 2021, with 6,967,524 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, 29,105,755 hectares burned in Brazil in 2021: 90% of the average of the other years from 2012 to 2024 (32,275,354 ha). (Copernicus GWIS)
- The worst week was 10 September to 16 September: 3,534,239 hectares burned in seven days, 12% of the year according to Copernicus GWIS. (Copernicus GWIS)
- The largest fire was the Wanderley fire, which started on 11 September 2021 and burned 216,996 hectares: 3% of the area of the year's 814 fires with a page. (WorldFires)
- The day of highest danger at a fire this year was 19 August 2021: a Fire Weather Index of 104 (very extreme on the EFFIS scale) at the Corumbá 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 | 0 | 0 |
| February | 0 | 0 |
| March | 0 | 0 |
| April | 0 | 0 |
| May | 2 | 6,747 |
| June | 4 | 16,394 |
| July | 50 | 440,982 |
| August | 330 | 2,570,551 |
| September | 360 | 3,381,912 |
| October | 66 | 539,150 |
| November | 0 | 0 |
| December | 2 | 11,786 |

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

The average and the band are the Copernicus GWIS climatology for 2012–2025, which includes 2021 itself.

| Week | 2021 | That week | average | lowest and highest |
|---|---:|---:|---:|---:|
| 1 (1 Jan–7 Jan) | 71,978 | 71,978 | 82,982 | 9,791–181,570 |
| 2 (8 Jan–14 Jan) | 119,922 | 47,944 | 165,292 | 15,690–470,136 |
| 3 (15 Jan–21 Jan) | 151,012 | 31,090 | 245,570 | 27,895–725,106 |
| 4 (22 Jan–28 Jan) | 188,124 | 37,112 | 323,126 | 59,916–1,016,129 |
| 5 (29 Jan–4 Feb) | 249,709 | 61,585 | 380,682 | 121,973–1,098,195 |
| 6 (5 Feb–11 Feb) | 297,818 | 48,109 | 441,475 | 193,649–1,227,156 |
| 7 (12 Feb–18 Feb) | 325,778 | 27,960 | 496,747 | 222,181–1,351,195 |
| 8 (19 Feb–25 Feb) | 372,162 | 46,384 | 558,841 | 254,322–1,408,976 |
| 9 (26 Feb–4 Mar) | 390,195 | 18,033 | 620,094 | 266,026–1,588,642 |
| 10 (5 Mar–11 Mar) | 438,900 | 48,705 | 691,986 | 329,759–1,702,359 |
| 11 (12 Mar–18 Mar) | 478,407 | 39,507 | 764,546 | 378,183–1,787,563 |
| 12 (19 Mar–25 Mar) | 541,895 | 63,488 | 844,968 | 420,786–2,037,013 |
| 13 (26 Mar–1 Apr) | 606,960 | 65,065 | 897,844 | 442,610–2,080,152 |
| 14 (2 Apr–8 Apr) | 643,719 | 36,759 | 951,467 | 466,606–2,131,444 |
| 15 (9 Apr–15 Apr) | 700,341 | 56,622 | 994,657 | 485,258–2,196,229 |
| 16 (16 Apr–22 Apr) | 744,278 | 43,937 | 1,042,735 | 497,966–2,302,992 |
| 17 (23 Apr–29 Apr) | 795,602 | 51,324 | 1,106,328 | 511,152–2,382,940 |
| 18 (30 Apr–6 May) | 881,077 | 85,475 | 1,188,844 | 563,420–2,485,897 |
| 19 (7 May–13 May) | 1,010,974 | 129,897 | 1,291,778 | 650,614–2,580,484 |
| 20 (14 May–20 May) | 1,219,733 | 208,759 | 1,397,102 | 778,310–2,662,454 |
| 21 (21 May–27 May) | 1,547,590 | 327,857 | 1,544,341 | 858,645–2,773,622 |
| 22 (28 May–3 Jun) | 1,797,425 | 249,835 | 1,697,679 | 934,497–2,870,386 |
| 23 (4 Jun–10 Jun) | 1,943,999 | 146,574 | 1,882,854 | 1,086,946–2,982,525 |
| 24 (11 Jun–17 Jun) | 2,106,329 | 162,330 | 2,084,587 | 1,256,430–3,176,381 |
| 25 (18 Jun–24 Jun) | 2,357,248 | 250,919 | 2,328,590 | 1,436,041–3,567,606 |
| 26 (25 Jun–1 Jul) | 2,695,055 | 337,807 | 2,607,196 | 1,643,901–3,898,818 |
| 27 (2 Jul–8 Jul) | 2,914,239 | 219,184 | 2,888,723 | 1,889,727–4,224,828 |
| 28 (9 Jul–15 Jul) | 3,254,359 | 340,120 | 3,236,044 | 2,094,395–4,598,593 |
| 29 (16 Jul–22 Jul) | 3,736,073 | 481,714 | 3,773,383 | 2,391,568–5,387,515 |
| 30 (23 Jul–29 Jul) | 4,429,221 | 693,148 | 4,479,780 | 2,724,068–6,653,532 |
| 31 (30 Jul–5 Aug) | 5,297,416 | 868,195 | 5,444,988 | 3,046,917–8,320,093 |
| 32 (6 Aug–12 Aug) | 6,863,896 | 1,566,480 | 6,749,078 | 3,341,707–10,340,364 |
| 33 (13 Aug–19 Aug) | 9,578,280 | 2,714,384 | 8,502,586 | 4,055,127–13,278,490 |
| 34 (20 Aug–26 Aug) | 11,984,888 | 2,406,608 | 10,472,910 | 5,130,232–17,552,829 |
| 35 (27 Aug–2 Sept) | 13,399,942 | 1,415,054 | 12,666,888 | 6,295,462–21,704,080 |
| 36 (3 Sept–9 Sept) | 15,837,857 | 2,437,915 | 15,393,450 | 7,532,761–25,919,880 |
| 37 (10 Sept–16 Sept) | 19,372,096 | 3,534,239 | 18,114,306 | 8,607,521–29,177,743 |
| 38 (17 Sept–23 Sept) | 21,985,354 | 2,613,258 | 20,122,660 | 9,242,619–31,719,936 |
| 39 (24 Sept–30 Sept) | 23,166,486 | 1,181,132 | 21,805,222 | 10,942,472–33,333,551 |
| 40 (1 Oct–7 Oct) | 24,901,577 | 1,735,091 | 23,425,376 | 12,207,006–34,714,162 |
| 41 (8 Oct–14 Oct) | 25,917,315 | 1,015,738 | 25,037,341 | 12,892,608–35,993,292 |
| 42 (15 Oct–21 Oct) | 26,607,871 | 690,556 | 26,357,416 | 13,542,853–36,681,889 |
| 43 (22 Oct–28 Oct) | 27,129,715 | 521,844 | 27,351,974 | 14,534,645–37,588,979 |
| 44 (29 Oct–4 Nov) | 27,644,804 | 515,089 | 28,032,830 | 14,840,597–38,295,572 |
| 45 (5 Nov–11 Nov) | 27,847,822 | 203,018 | 28,610,919 | 15,075,677–38,942,247 |
| 46 (12 Nov–18 Nov) | 28,161,223 | 313,401 | 29,190,977 | 15,631,417–39,392,131 |
| 47 (19 Nov–25 Nov) | 28,496,663 | 335,440 | 29,602,902 | 15,806,873–39,963,264 |
| 48 (26 Nov–2 Dec) | 28,747,326 | 250,663 | 30,062,266 | 16,007,851–40,599,740 |
| 49 (3 Dec–9 Dec) | 28,881,604 | 134,278 | 30,389,878 | 16,121,855–40,759,294 |
| 50 (10 Dec–16 Dec) | 28,995,139 | 113,535 | 30,621,426 | 16,239,400–40,952,873 |
| 51 (17 Dec–23 Dec) | 29,061,779 | 66,640 | 30,764,714 | 16,275,645–41,118,020 |
| 52 (24 Dec–30 Dec) | 29,101,620 | 39,841 | 30,898,659 | 16,351,507–41,233,963 |

## Largest recorded fires

- [Wanderley fire, September 2021](https://worldfires.org/en/fire/wanderley-2021-09.md) · 216,996 ha
- [Porto Murtinho fire, 9 August 2021](https://worldfires.org/en/fire/porto-murtinho-2021-08-2.md) · 123,229 ha
- [Corumbá fire, 12 September 2021](https://worldfires.org/en/fire/corumba-2021-09-7.md) · 122,595 ha
- [Morro Cabeça no Tempo fire, September 2021](https://worldfires.org/en/fire/morro-cabeca-no-tempo-2021-09.md) · 120,828 ha
- [Cáceres fire, 7 September 2021](https://worldfires.org/en/fire/caceres-2021-09-2.md) · 117,308 ha
- [Paranã fire, 7 August 2021](https://worldfires.org/en/fire/parana-tocantins-2021-08.md) · 82,831 ha
- [Corumbá fire, 12 September 2021](https://worldfires.org/en/fire/corumba-2021-09-5.md) · 75,860 ha
- [Porto Velho fire, July 2021](https://worldfires.org/en/fire/porto-velho-2021-07.md) · 56,112 ha
- [Porto Murtinho fire, 16 August 2021](https://worldfires.org/en/fire/porto-murtinho-2021-08-3.md) · 54,451 ha
- [Aquidauana fire, 17 October 2021](https://worldfires.org/en/fire/aquidauana-2021-10-5.md) · 52,957 ha
- [Poconé fire, 3 October 2021](https://worldfires.org/en/fire/pocone-2021-10.md) · 50,029 ha
- [Brejo do Piauí fire, 28 August 2021](https://worldfires.org/en/fire/brejo-do-piaui-2021-08-2.md) · 47,906 ha
- [São Salvador do Tocantins fire, August 2021](https://worldfires.org/en/fire/sao-salvador-do-tocantins-2021-08.md) · 47,822 ha
- [Corumbá fire, 1 September 2021](https://worldfires.org/en/fire/corumba-2021-09-2.md) · 43,605 ha
- [Lábrea fire, 21 July 2021](https://worldfires.org/en/fire/labrea-2021-07.md) · 40,023 ha
- [Cristino Castro fire, September 2021](https://worldfires.org/en/fire/cristino-castro-2021-09.md) · 38,237 ha
- [Cocos fire, 14 September 2021](https://worldfires.org/en/fire/cocos-2021-09-6.md) · 37,838 ha
- [Poranga fire, August 2021](https://worldfires.org/en/fire/poranga-2021-08.md) · 37,076 ha
- [Pontes e Lacerda fire, 27 August 2021](https://worldfires.org/en/fire/pontes-e-lacerda-2021-08-2.md) · 36,299 ha
- [Jaciara fire, August 2021](https://worldfires.org/en/fire/jaciara-2021-08.md) · 34,858 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.
Official information for Brazil is published by: [INPE · Programa Queimadas](https://terrabrasilis.dpi.inpe.br/queimadas/portal/) · [IBAMA · Prevfogo](https://www.gov.br/ibama/pt-br/assuntos/fiscalizacao-e-protecao-ambiental/incendios-florestais)

## How to cite

WorldFires, “Wildfires in Brazil in 2021”, https://worldfires.org/en/country/brazil/2021 (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/brazil/2021