How long did the Del Nayar fire last?

According to the heat detections seen by satellite inside the perimeter, it burned from 1 April 2024 to 13 April 2024 (13 days). The perimeter dates it from 1 April 2024 to 11 April 2024. According to CONAFOR, it was detected on 1 April 2024 and declared extinguished on 12 April 2024.

How much area did it burn?

The perimeter GWIS (Copernicus) rebuilt from heat detections is 4,315 hectares (43.2 km²). It is an estimate: official national figures may differ.

Which municipalities burned?

The fire only entered Del Nayar (4,330 ha, 0.8 %).

What was the weather like?

During the fire the temperature reached 29.5 °C, humidity dropped to 15 % and gusts hit 56 km/h. The fire danger index (FWI) reached 40, class Very high.

Where does this data come from?

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

MX · Mexico · 2024-04-01 → 2024-04-13

Del Nayar fire, 1 April 2024 Del Nayar

Out · last detection 13 Apr 2024, 08:51 UTC

The fire started on 1 April 2024 in Del Nayar, Mexico, and satellites saw it burning for 13 days. Copernicus’s global GWIS system rebuilt a burnt perimeter of 4,315 hectares from heat detections, spread across a single municipality. According to CONAFOR, it was detected on 1 April 2024 and declared extinguished on 12 April 2024.

It is the 44th largest in Nayarit since 2016 (of 181 with a page). Number 68 in Mexico in 2024, of 289.

The power measured by the satellite is low (23.0 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…

Suggestions: Del Nayar · 2017 La Yesca · 2021 La Yesca · 2019 La Yesca · 2024

Burnt area: 4,315ha; GWIS perimeter (Copernicus)
Duration: 13days; 1 Apr 2024 – 13 Apr 2024
Municipalities hit: 1; municipalities
Started on: 1 Apr; 2024
Heat detections: 283; in a single hotspot: 23 MW
Danger at start: 27; High · FWI index
Average daily power: 110MW; detected power per day, on average

HOTSPOTS BY DAY 1 Apr13 Apr

Play back 13 Apr 2024

How it evolved, day by day

1 Apr 3 Apr 5 Apr 7 Apr 9 Apr 13 Apr

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

The weather it burned in

30°high

56km/h · peak gust

15%lowest humidity

It had gone 43 days without rain (1 mm or more) when it started.

This area had burned before

93% of the perimeter overlaps earlier fires recorded since 2016: 4,008 ha in 2017, 313 ha in 2021. Part of it burned more than once, so the yearly figures add up to more than the 4,032 ha that had burned before.

How big is it?

It burned the equivalent of 2.7% of the area of London (43 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

Del Nayar where it started

4,330 ha reached on 1 Apr

0.8 %

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

Official record

According to CONAFOR, this fire started on 1 April 2024 and burned 3,599 ha (the satellite measured 4,315 ha).

Del Nayar Huaynamota 1 April 2024 3,599 ha · extinguished on 12 April 2024 · cause: negligence

CONAFOR (Comisión Nacional Forestal), estadística de incendios forestales en datos.gob.mx (CC BY 4.0). This is the agency’s consolidated statistic: it measures the area in its own way, which is why it can differ from the satellite.

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)
1 Apr	24.1 °C	39 %	56 km/h	0.6 mm	High 27
2 Apr	23.5 °C	30 %	54 km/h	0.0 mm	High 27
3 Apr	25.6 °C	16 %	50 km/h	0.0 mm	High 33
4 Apr	24.5 °C	17 %	49 km/h	0.0 mm	High 34
5 Apr	26.3 °C	16 %	54 km/h	0.0 mm	High 37
6 Apr	25.4 °C	27 %	53 km/h	0.0 mm	High 34
7 Apr	27.5 °C	20 %	54 km/h	0.0 mm	High 35
8 Apr	24.8 °C	23 %	55 km/h	0.0 mm	High 35
9 Apr	24.4 °C	26 %	56 km/h	0.0 mm	High 35
10 Apr	25.8 °C	21 %	46 km/h	0.0 mm	High 34
11 Apr	29.5 °C	15 %	52 km/h	0.0 mm	Very high 40
12 Apr	28.4 °C	22 %	43 km/h	0.0 mm	Very high 39
13 Apr	29.3 °C	26 %	48 km/h	0.0 mm	High 38
14 Apr after	30.4 °C	28 %	44 km/h	0.0 mm	High 36
15 Apr after	28.3 °C	32 %	36 km/h	0.0 mm	High 32
16 Apr after	29.6 °C	28 %	38 km/h	0.0 mm	High 33
17 Apr after	30.0 °C	25 %	48 km/h	0.0 mm	High 35
18 Apr after	30.5 °C	23 %	44 km/h	0.0 mm	High 35
19 Apr after	31.0 °C	21 %	48 km/h	0.0 mm	High 37
20 Apr after	29.5 °C	20 %	51 km/h	0.0 mm	High 38
21 Apr after	29.9 °C	17 %	47 km/h	0.0 mm	Very high 40
22 Apr after	30.2 °C	13 %	52 km/h	0.0 mm	Very high 43
23 Apr after	29.7 °C	20 %	52 km/h	0.0 mm	Very high 44

Before and after, from space

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

↔

Before · 25 Mar 2024

After · 20 Apr 2024

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.

The smoke

CAMS · Copernicus

On 5 April 2024 the air beside the fire reached 22 µg/m³ of PM2.5, but no daily average passed the WHO guideline (15).

PM2.5 peak22 µg/m³

Days over the guideline0 days

PM1034 µg/m³

Optical depth0.28

WHO 15

30311234567891011121314

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 · 283Every 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 Mexico ›

Frequently asked questions

How long did the Del Nayar fire last?: According to the heat detections seen by satellite inside the perimeter, it burned from 1 April 2024 to 13 April 2024 (13 days). The perimeter dates it from 1 April 2024 to 11 April 2024. According to CONAFOR, it was detected on 1 April 2024 and declared extinguished on 12 April 2024.
How much area did it burn?: The perimeter GWIS (Copernicus) rebuilt from heat detections is 4,315 hectares (43.2 km²). It is an estimate: official national figures may differ.
Which municipalities burned?: The fire only entered Del Nayar (4,330 ha, 0.8 %).
What was the weather like?: During the fire the temperature reached 29.5 °C, humidity dropped to 15 % and gusts hit 56 km/h. The fire danger index (FWI) reached 40, class Very high.
Where does this data come from?: From the GWIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Mexico (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: 911 · Emergency number and official warnings ›

CONAFOR · Comisión Nacional Forestal ↗
CENAPRED ↗

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

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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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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 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 1 April 2024 to 11 April 2024. 283 Suomi-NPP VIIRS detections on those dates.
Compared with CONAFOR: 3,599 official ha against 4,315 ha of perimeter; they agree within 25%.
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.

Where it burned