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Carmelo Peralta fire, September 2023 Carmelo Peralta

Out · last detection 27 Sept 2023, 04:31 UTC

The fire started on 24 September 2023 in Carmelo Peralta, Paraguay, and satellites saw it burning for 7 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 1,789 hectares from heat detections, spread across a single municipality.

It is the 296th largest in ALTO PARAGUAY since 2016 (of 412 with a page). Number 148 in Paraguay in 2023, of 209.

The power measured by the satellite is low (21.2 MW in the strongest hotspot), more typical of grass or stubble burning, or a slow surface fire, than of a large crown fire.

Compare with…
Burnt area
1,789ha
GWIS perimeter (Copernicus)
Duration
7days
24 Sept 2023 – 30 Sept 2023
Municipalities hit
1
districts
Started on
24 Sept
2023
Heat detections
42
in a single hotspot: 21 MW
Danger at start
33
High · FWI index
Average daily power
92MW
detected power per day, on average

Where it burned

HOTSPOTS BY DAY 24 Sept30 Sept
27 Sept 2023

How it evolved, day by day

24 Sept 2023 · 54 MW · 6 25 Sept 2023 · 140 MW · 16 26 Sept 2023 · 169 MW · 19 27 Sept 2023 · 6 MW · 1
24 Sept 25 Sept 26 Sept 27 Sept

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

The weather it burned in

41°high
55km/h · peak gust
25%lowest humidity

It had gone 10 days without rain (1 mm or more) when it started.

This area had burned before

97% of the perimeter overlaps earlier fires recorded since 2016: 1,469 ha in 2016, 475 ha in 2017, 866 ha in 2018, 1,343 ha in 2019, 1,342 ha in 2021. Part of it burned more than once, so the yearly figures add up to more than the 1,729 ha that had burned before.

How big is it?

10 km
It burned the equivalent of 1.1% of the area of London (18 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

  1. Carmelo Peralta where it started
    1,794 ha reached on 24 Sept
    0.3 %

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.

People and buildings inside the perimeter

GHSL 2025
Built-up area< 0.1 ha
Residents< 20

Inside the perimeter there was no noticeable built-up land and almost nobody lived there (GHSL 2025, satellite-based estimate).

This is an estimate on 100 m cells, made from satellite imagery and census data: it does not mean that homes burned or that anyone was harmed. The perimeter also contains land that never burned. The GHSL 2025 epoch is a projection made from 2020 and earlier data.

Source: Global Human Settlement Layer (GHS-BUILT-S and GHS-POP R2023A), European Commission Joint Research Centre (JRC), © European Union, CC BY 4.0. Sum inside the perimeter computed by WorldFires. human-settlement.emergency.copernicus.eu

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)
24 Sept 40.2 °C 28 % 45 km/h 0.0 mm High 33
25 Sept 41.1 °C 25 % 45 km/h 0.0 mm High 37
26 Sept 41.2 °C 26 % 55 km/h 0.0 mm Very high 42
27 Sept 29.6 °C 55 % 52 km/h 0.0 mm High 26
28 Sept 28.7 °C 44 % 22 km/h 0.0 mm Moderate 18
29 Sept 33.6 °C 34 % 29 km/h 0.1 mm High 24
30 Sept 29.2 °C 39 % 31 km/h 0.0 mm High 25
1 Oct after 33.0 °C 35 % 26 km/h 0.0 mm High 25
2 Oct after 38.8 °C 30 % 35 km/h 0.0 mm High 32
3 Oct after 41.0 °C 25 % 60 km/h 0.0 mm Extreme 51
4 Oct after 35.7 °C 36 % 54 km/h 0.4 mm Very high 40
5 Oct after 28.6 °C 49 % 34 km/h 0.9 mm Moderate 19
6 Oct after 40.3 °C 28 % 64 km/h 0.0 mm Very high 47

Before and after, from space

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

Before · 17 Sept 2023
After · 7 Oct 2023

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

The smoke

CAMS · Copernicus

On 29 September 2023 the air beside the fire reached 47 µg/m³ of PM2.5. That day averaged 31: 2.1 times the WHO daily guideline (15).

PM2.5 peak47 µg/m³
Days over the guideline3 days
PM1067 µg/m³
Optical depth1.22
2223242526272829
Good Fair Moderate Poor Very poor Extremely poor

Particles from the Copernicus CAMS model at the centre of the perimeter; these are not measurements in each town. The pale bar is the worst hour, the solid one the daily average.

Open-Meteo.com (CC BY 4.0) · Copernicus Atmosphere Monitoring Service (CAMS)

Detections table · 42Every 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 timeSatelliteFRP (MW)LatLon

Other fires nearby

All fires in Paraguay ›

Frequently asked questions

How long did the Carmelo Peralta fire last?
According to the heat detections seen by satellite inside the perimeter, it burned from 24 September 2023 to 30 September 2023 (7 days). The perimeter dates it from 24 September 2023 to 26 September 2023.
How much area did it burn?
The perimeter GWIS (Copernicus) rebuilt from heat detections is 1,789 hectares (17.9 km²). It is an estimate: official national figures may differ.
Which municipalities burned?
The fire only entered Carmelo Peralta (1,794 ha, 0.3 %).
What was the weather like?
During the fire the temperature reached 41.2 °C, humidity dropped to 25 % and gusts hit 55 km/h. The fire danger index (FWI) reached 42, class Very high.
Where does this data come from?
From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Paraguay (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: 132 · 911 · Emergency number and official warnings ›

Satellite cross-check

History of this page · 1 Changes in area, dates, name, official record or merged pages, compared every night since 24 October 2026.
  1. Last day with fire: 26 September 2023 → 30 September 2023.

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.

Report an error
What do you think is wrong?

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 132 · 911.

How we know this
  • Perimeter: GWIS (Copernicus), rebuilt from heat detections rather than mapped on imagery.
  • Dates adjusted with the VIIRS detections inside the perimeter, which said 24 September 2023 to 26 September 2023. 42 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.
  • Built-up area and population come from the JRC Global Human Settlement Layer (epoch 2025, 100 m cells), summed inside the perimeter: an estimate of what was there, not a damage count.

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 4.0 (CC BY 4.0)). 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.