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Olzai fire, July 2026 Olzai, Sarule

Out · last measured on 18 Jul 2026

The fire started on 18 July 2026 in Olzai, Italy, and satellites saw it burning for 1 day. Copernicus mapped a burnt perimeter of 114 hectares from satellite imagery, spread across 2 municipalities.

It is the 33th largest in Nuoro since 2016 (of 36 with a page). Number 196 in Italy in 2026, of 231.

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
114ha
Copernicus perimeter
Duration
1day
18 Jul 2026 – 18 Jul 2026
Municipalities hit
2
municipalities
Started on
18 Jul
2026
Danger at start
52
Extreme · FWI index

Where it burned

The weather it burned in

42°high
22km/h · peak gust
9%lowest humidity

It had gone 9 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. Olzai 765 inhabitants · 2.5 km from the town where it started
    87 ha
    1.2 %
  2. Sarule 1,526 inhabitants · 3.8 km from the town
    27 ha
    0.5 %

Burnt area inside each municipality, from crossing the official perimeter with administrative boundaries. The distance is from the town centre to the nearest fire: staying a kilometre away does not mean it reached the houses.

What burned

  • Sclerophyllous scrub52 %
  • Agricultural areas39 %
  • Broadleaved forest9.0 %

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)
18 Jul 42.0 °C 9 % 22 km/h 0.0 mm Extreme 52
19 Jul after 42.3 °C 9 % 25 km/h 0.0 mm Extreme 58
20 Jul after 42.5 °C 9 % 25 km/h 0.0 mm Extreme 61
21 Jul after 42.2 °C 9 % 25 km/h 0.0 mm Extreme 64
22 Jul after 38.3 °C 15 % 20 km/h 0.0 mm Extreme 54
23 Jul after 38.0 °C 14 % 22 km/h 0.1 mm Extreme 58
24 Jul after 36.2 °C 12 % 21 km/h 0.0 mm Extreme 58
25 Jul after 37.3 °C 15 % 22 km/h 0.0 mm Extreme 58
26 Jul after 33.0 °C 21 % 21 km/h 0.0 mm Extreme 50
27 Jul after 32.2 °C 26 % 35 km/h 0.0 mm Very high 44
28 Jul after 32.1 °C 27 % 28 km/h 0.0 mm Very high 38

Before and after, from space

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

Before · 11 Jul 2026
After · 25 Jul 2026

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 21 July 2026 the air beside the fire reached 21 µg/m³ of PM2.5. That day averaged 19: 1.3 times the WHO daily guideline (15).

PM2.5 peak21 µg/m³
Days over the guideline4 days
PM1086 µg/m³
Optical depth0.66
161718192021
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 Italy ›

Frequently asked questions

How long did the Olzai fire last?
Copernicus dates it between 18 July 2026 and 18 July 2026: 1 day between the first and last image with fire.
How much area did it burn?
The perimeter Copernicus measured from satellite imagery is 114 hectares (1.1 km²). Official national figures may differ.
Which municipalities burned?
The fire entered 2 municipalities: Olzai (87 ha, 1.2 %); Sarule (27 ha, 0.5 %).
Did the fire reach a town?
The closest fire to a town centre came within 2.5 km of Olzai. That is the distance to the perimeter or nearest hotspot; it does not mean it entered the houses.
What was the weather like?
During the fire the temperature reached 42.0 °C, humidity dropped to 9 % and gusts hit 22 km/h. The fire danger index (FWI) reached 52, class Extreme.
Where does this data come from?
From the EFFIS (Copernicus) burnt perimeter, NASA FIRMS VIIRS hotspots and the administrative boundaries of Italy (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 · 1515

Satellite cross-check

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 · 1515.

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 ADM4 (Creative Commons Attribution 3.0 License). 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.