How long did the Apuí fire last?

GWIS (Copernicus) dates it between 21 July 2022 and 30 July 2022: 10 days between the first and last heat detection of the perimeter.

How much area did it burn?

The perimeter GWIS (Copernicus) rebuilt from heat detections is 3,435 hectares (34.4 km²). It is an estimate: official national figures may differ.

Which municipalities burned?

The fire only entered Apuí (3,455 ha, 0.1 %).

What was the weather like?

During the fire the temperature reached 35.8 °C, humidity dropped to 23 % and gusts hit 25 km/h. The fire danger index (FWI) reached 36, class High.

Where does this data come from?

From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Brazil (geoBoundaries). It is not an official report.

BR · Brazil · 2022-07-21 → 2022-07-30

Apuí fire, 21 July 2022 Apuí

Out · last detection 26 Jul 2022, 04:52 UTC

The fire started on 21 July 2022 in Apuí, Brazil, and satellites saw it burning for 10 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 3,435 hectares from heat detections, spread across a single municipality.

It is the 344th largest in Amazonas since 2016 (of 450 with a page). Number 534 in Brazil in 2022, of 687.

Compare with…

Suggestions: Apuí · 2026 Apuí · 2024 Apuí · 2024 Novo Aripuanã · 2019

Burnt area: 3,435ha; GWIS perimeter (Copernicus)
Duration: 10days; 21 Jul 2022 – 30 Jul 2022
Municipalities hit: 1; municipalities
Started on: 21 Jul; 2022
Heat detections: 116; in a single hotspot: 133 MW
Danger at start: 23; High · FWI index
Average daily power: 352MW; detected power per day, on average

HOTSPOTS BY DAY 21 Jul30 Jul

Play back 26 Jul 2022

How it evolved, day by day

21 Jul 22 Jul 23 Jul 24 Jul 25 Jul 26 Jul

Fire radiative power detected each day, in megawatts, and number of hotspots. The magenta bar marks the peak day.

The weather it burned in

36°high

25km/h · peak gust

23%lowest humidity

It had gone 34 days without rain (1 mm or more) when it started. Rain came after the fire: 3.1 mm on 8 Aug.

This area had burned before

43% of the perimeter overlaps earlier fires recorded since 2016: 284 ha in 2020, 1,187 ha in 2021.

How big is it?

It burned the equivalent of 2.2% of the area of London (34 km² against 1,583 km²).

London boundary: geoBoundaries · Office for National Statistics (Open Government Licence v3.0).

This compares size, not location: both shapes are at the same scale, north up, centred on each other.

What happened to each town

Apuí 20,647 inhabitants where it started

3,455 ha reached on 21 Jul

0.1 %

Burnt area inside each municipality, from crossing the GWIS perimeter with administrative boundaries. The distance runs from the point marking the centre of each area to the nearest fire: staying a kilometre away does not mean it reached the houses.

The weather day by day

ECMWF ERA5 reanalysis at the fire location, the standard reference for past weather, and the Canadian Fire Weather Index (the same system Copernicus uses), computed by WorldFires from that data. Days after the fire run until the first rain.

Open-Meteo.com (CC BY 4.0) · Copernicus Climate Change Service (ERA5)

Day	High	Min. humidity	Peak gust	Rain	Danger (FWI)
21 Jul	32.3 °C	47 %	20 km/h	0.0 mm	High 23
22 Jul	32.6 °C	45 %	25 km/h	0.0 mm	High 24
23 Jul	34.5 °C	31 %	22 km/h	0.0 mm	High 28
24 Jul	34.7 °C	28 %	19 km/h	0.0 mm	High 29
25 Jul	35.8 °C	28 %	20 km/h	0.0 mm	High 30
26 Jul	35.7 °C	27 %	17 km/h	0.0 mm	High 33
27 Jul	35.7 °C	23 %	24 km/h	0.0 mm	High 36
28 Jul	34.6 °C	29 %	19 km/h	0.0 mm	High 35
29 Jul	34.1 °C	33 %	17 km/h	0.0 mm	High 34
30 Jul	34.1 °C	31 %	14 km/h	0.0 mm	High 32
31 Jul after	33.7 °C	45 %	24 km/h	0.0 mm	High 28
1 Aug after	33.2 °C	48 %	22 km/h	0.2 mm	High 25
2 Aug after	33.3 °C	47 %	31 km/h	0.2 mm	High 25
3 Aug after	33.7 °C	47 %	28 km/h	0.3 mm	High 25
4 Aug after	33.5 °C	49 %	28 km/h	0.3 mm	High 26
5 Aug after	35.0 °C	41 %	29 km/h	0.5 mm	High 26
6 Aug after	34.2 °C	46 %	18 km/h	0.2 mm	High 25
7 Aug after	32.1 °C	53 %	26 km/h	0.6 mm	Moderate 19
8 Aug after	29.8 °C	62 %	22 km/h	3.1 mm	Very low 4

Before and after, from space

Drag the line to compare the same ground before the fire and after it.

↔

Before · 14 Jul 2022

After · 6 Aug 2022

Before After

If the day is cloudy, change the date: each satellite passes once a day. In false colour the burnt ground looks brown or red.

Detections table · 116Every satellite heat detection, one by one, with time, satellite, power and coordinates.

⬇ Download CSV Times in UTC. Each detection is a 375 m pixel: a large fire yields hundreds per pass.

Date and time	Satellite	FRP (MW)	Lat	Lon

Other fires nearby

All fires in Brazil ›

Frequently asked questions

How long did the Apuí fire last?: GWIS (Copernicus) dates it between 21 July 2022 and 30 July 2022: 10 days between the first and last heat detection of the perimeter.
How much area did it burn?: The perimeter GWIS (Copernicus) rebuilt from heat detections is 3,435 hectares (34.4 km²). It is an estimate: official national figures may differ.
Which municipalities burned?: The fire only entered Apuí (3,455 ha, 0.1 %).
What was the weather like?: During the fire the temperature reached 35.8 °C, humidity dropped to 23 % and gusts hit 25 km/h. The fire danger index (FWI) reached 36, class High.
Where does this data come from?: From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Brazil (geoBoundaries). It is not an official report.

Where to verify it

A satellite detection is not an official report. Final figures and the fire’s status are published by each country’s emergency service.

Emergency number: 193 · Emergency number and official warnings ›

INPE · Programa Queimadas ↗
IBAMA · Prevfogo ↗

Satellite cross-check

NASA FIRMS ↗
GWIS · Copernicus ↗

History of this page Changes in area, dates, name, official record or merged pages, compared every night since 24 October 2026.

No changes since 24 October 2026.

RSS Changes to this page

Does something look wrong on this page?

This page is built from satellite data and official records, and it sometimes gets things wrong: the wrong dates, the wrong town, two fires merged into one, or something that was not a wildfire at all. If you know this fire first-hand (you live nearby, saw it, fought it or reported on it), tell us what really happened and we will check it.

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What do you think is wrong?

Dates or duration Place or towns Burned area Name It was not a wildfire Same fire as another page Something else

What really happened?

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We will only use your email to reply about this report. Privacy. This is not an emergency service: if there is a fire now, call 193.

How we know this

Perimeter: GWIS (Copernicus), rebuilt from heat detections rather than mapped on imagery.
Dates from the perimeter: the VIIRS detections inside it did not change them. 116 Suomi-NPP VIIRS detections on those dates.
We have not matched this page with any official record.
Weather: Copernicus ERA5 reanalysis at the fire location, in cells of about 25 km.

How we build fire pages: methodology ›

Where this data comes from

The perimeter comes from the Copernicus Global Wildfire Information System (GWIS), which rebuilds it from MODIS and VIIRS heat detections and publishes it under CC BY 4.0. It is not measured on imagery as in Europe, so it is an estimate. Heat detections come from the VIIRS sensors aboard Suomi-NPP and NOAA-20, distributed by NASA FIRMS at 375 m resolution. Municipal boundaries come from geoBoundaries ADM2 (Creative Commons Attribution 3.0 Intergovernmental Organisations (CC BY 3.0 IGO)). The area per municipality is computed by WorldFires by crossing the perimeter with those boundaries, so it may differ from each country’s official figure.

Where it burned