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BR · Brazil · Piaui · 38,161 inhabitants

Wildfires in Oeiras

Oeiras, Brazil, has had 17 large fires recorded by GWIS since 2016: 80,660 hectares burned inside its boundaries, 30% of its area. Fire danger today: low (FWI 11).

Only fires of 3,000 ha or more get an entry: smaller ones are not in the lists or the totals on this page.

Fire danger, today and the coming days

FWI computed from the Open-Meteo forecast
  1. Mon 26 Very high 38° · 30 % · 40 km/h
  2. Tue 27 Low 37° · 33 % · 34 km/h
  3. Wed 28 Low 36° · 40 % · 41 km/h
  4. Thu 29 Moderate 35° · 39 % · 31 km/h
  5. Fri 30 Moderate 36° · 36 % · 28 km/h
  6. Sat 31 Moderate 36° · 38 % · 33 km/h
  7. Sun 1 Moderate 37° · 33 % · 27 km/h
  8. Mon 2 High 39° · 24 % · 26 km/h

Canadian Fire Weather Index, the same system Copernicus uses, computed by WorldFires from the weather forecast and two months of past weather for fuel state. It is an estimate per municipality, not an official warning: warnings are issued by each country’s emergency service.

The municipality and its fires

Since 2016

80,660
hectares burned
30 %
of its area
17
fires
2,721
km²

How many times has Oeiras burned?

Oeiras has burned 17 times since 2016, in 7 years: 2016, 2018, 2020, 2021, 2023, 2024 and 2026. The most recent: Oeiras fire, October 2026, with 3,670 hectares inside the municipality. Together they add up to 80,660 hectares burned inside the municipality, but the distinct burned area is 47,098 hectares, 17 % of its surface: part of it burned more than once.

  1. 2× 16
  2.   17
  3. 2× 18
  4.   19
  5. 1× 20
  6. 4× 21
  7.   22
  8. 2× 23
  9. 2× 24
  10.   25
  11. 4× 26
17
fires
7
years with fire
80,660
cumulative ha
47,098
distinct ha

Fires larger than 3,000 hectares with a perimeter since 2016 that reached the municipality, even partly. Cumulative hectares add up every fire; the distinct area counts land that burned several times only once. Perimeters and boundaries overlaid by WorldFires.

Where it has burned most often in Brazil →

Fires that entered Oeiras

  1. 3,670 ha Oeiras fire, October 2026 where it started 1.4% of the municipality · 3,644 ha in total · 14 days
  2. 3,807 ha Oeiras fire, September 2026 where it started 1.4% of the municipality · 3,781 ha in total · 20 days
  3. 17,129 ha Oeiras fire, August 2026 where it started 6.3% of the municipality · 21,063 ha in total · 38 days
  4. 19 ha São João da Varjota fire, August 2026 0.0% of the municipality · 3,708 ha in total · 14 days
  5. 2,717 ha São Francisco do Piauí fire, 8 September 2024 1.0% of the municipality · 4,159 ha in total · 14 days
  6. 3,769 ha Oeiras fire, August 2024 where it started 1.4% of the municipality · 5,121 ha in total · 10 days
  7. 3,400 ha Oeiras fire, October 2023 where it started 1.2% of the municipality · 3,377 ha in total · 9 days
  8. 10,301 ha Oeiras fire, September 2023 where it started 3.8% of the municipality · 13,580 ha in total · 14 days
  9. 3,076 ha Oeiras fire, September 2021 where it started 1.1% of the municipality · 3,506 ha in total · 12 days
  10. 3,162 ha Oeiras fire, August 2021 where it started 1.2% of the municipality · 3,140 ha in total · 14 days
  11. 9,367 ha Oeiras fire, 30 July 2021 where it started 3.4% of the municipality · 11,038 ha in total · 12 days
  12. 3,210 ha Oeiras fire, 13 July 2021 where it started 1.2% of the municipality · 3,188 ha in total · 16 days
  13. 4,752 ha Oeiras fire, September 2020 where it started 1.8% of the municipality · 10,621 ha in total · 25 days
  14. 2,028 ha Oeiras fire, October 2018 where it started 0.8% of the municipality · 3,731 ha in total · 11 days
  15. 2,878 ha Colônia do Piauí fire, September 2018 1.1% of the municipality · 11,378 ha in total · 19 days
  16. 3,839 ha Oeiras fire, 19 August 2016 where it started 1.4% of the municipality · 4,301 ha in total · 7 days
  17. 3,536 ha Oeiras fire, 3 August 2016 where it started 1.3% of the municipality · 3,694 ha in total · 11 days

Where this data comes from

Perimeters come from GWIS (Copernicus, CC BY 4.0), rebuilt from heat detections, and municipal boundaries from geoBoundaries/Instituto Brasileiro de Geografia e Estatística (IBGE), OCHA ROLAC (Creative Commons Attribution 3.0 Intergovernmental Organisations (CC BY 3.0 IGO)). The area per municipality is computed by WorldFires by crossing both. The forecast is from Open-Meteo (CC BY 4.0).

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