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Grad Omiš fire, June 2025 Grad Omiš

Out · last measured on 22 Jun 2025

The fire started on 21 June 2025 in Grad Omiš, Croatia, and satellites saw it burning for 2 days. Copernicus mapped a burnt perimeter of 345 hectares from satellite imagery, spread across a single municipality.

It is the 30th largest in Split-Dalmatia since 2016 (of 48 with a page). Number 3 in Croatia in 2025, of 11.

Compare with…

Suggestions: Grad Omiš · 2026Grad Omiš · 2017Općina Tučepi · 2024Općina Nerežišća · 2026

We have the Copernicus perimeter for this fire, but not yet its hotspots: NASA publishes the yearly hotspot archive only once the year closes. The page picks it up automatically when it is available.

Burnt area
345ha
Copernicus perimeter
Duration
2days
21 Jun 2025 – 22 Jun 2025
Municipalities hit
1
municipalities
Started on
21 Jun
2025
Danger at start
15
Moderate · FWI index

Where it burned

The weather it burned in

26°high
36km/h · peak gust
35%lowest humidity

It had gone 0 days without rain (1 mm or more) when it started.

This area had burned before

No earlier perimeters overlap this fire since 2016, when the satellite record begins.

What happened to each town

  1. Grad Omiš where it started
    344 ha
    1.3 %

Burnt area inside each municipality, from crossing the official 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.

What burned

  • Agricultural areas53 %
  • Other natural land33 %
  • Coniferous forest7.6 %
  • Artificial surfaces5.5 %
  • Scrub and transitional woodland0.9 %

Land cover inside the perimeter according to Corine Land Cover, as reported by Copernicus.

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 Jun 26.3 °C 35 % 36 km/h 0.0 mm Moderate 15
22 Jun 26.3 °C 43 % 23 km/h 0.0 mm Moderate 16
23 Jun after 26.3 °C 59 % 23 km/h 0.0 mm Moderate 13
24 Jun after 27.7 °C 59 % 20 km/h 0.0 mm Moderate 13
25 Jun after 29.3 °C 60 % 24 km/h 0.0 mm Moderate 14
26 Jun after 29.8 °C 56 % 25 km/h 0.0 mm Moderate 15
27 Jun after 30.2 °C 53 % 34 km/h 0.2 mm Moderate 16
28 Jun after 28.9 °C 48 % 49 km/h 0.0 mm Moderate 20
29 Jun after 29.6 °C 50 % 33 km/h 0.0 mm Moderate 16
30 Jun after 30.2 °C 50 % 28 km/h 0.0 mm Moderate 17
1 Jul after 30.0 °C 53 % 27 km/h 0.0 mm Moderate 17
2 Jul after 30.4 °C 44 % 24 km/h 0.0 mm Moderate 19

Before and after, from space

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

Before · 14 Jun 2025
After · 29 Jun 2025

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 23 June 2025 the air beside the fire reached 16 µg/m³ of PM2.5, but no daily average passed the WHO guideline (15).

PM2.5 peak16 µg/m³
Days over the guideline0 days
PM1021 µg/m³
Optical depth0.29
19202122232425
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)

Other fires nearby

All fires in Croatia ›

Frequently asked questions

How long did the Grad Omiš fire last?
Copernicus dates it between 21 June 2025 and 22 June 2025: 2 days between the first and last image with fire.
How much area did it burn?
The perimeter Copernicus measured from satellite imagery is 345 hectares (3.4 km²). Official national figures may differ.
Which municipalities burned?
The fire only entered Grad Omiš (344 ha, 1.3 %).
What was the weather like?
During the fire the temperature reached 26.3 °C, humidity dropped to 35 % and gusts hit 36 km/h. The fire danger index (FWI) reached 16, class Moderate.
Where does this data come from?
From the EFFIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Croatia (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: 112 · 193 · Emergency number and official warnings ›

Satellite cross-check

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.

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 112 · 193.

How we know this
  • Perimeter: EFFIS (Copernicus), mapped on satellite imagery.
  • Dates from the perimeter: the VIIRS detections inside it did not change them. No 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 and land cover come from the Copernicus European Forest Fire Information System (EFFIS), measured on MODIS and Sentinel-2 imagery and published under CC BY 4.0. 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-ShareAlike 2.0). The area per municipality is computed by WorldFires by crossing the perimeter with those boundaries, so it may differ slightly from each country’s official figure.