Europe’s Heatwave Viewed from Sentinel-3 Earth Satellite | European Space Agency

Europe’s Heatwave Viewed from Sentinel-3 Earth Satellite | European Space Agency

Europe is facing an intense heatwave with record temperatures and several cities under red alert. On June 23, 2026, France recorded its hottest June day ever. This image was captured the same day by the Copernicus Sentinel-3 satellite that measures land surface temperature from space. Unlike air temperature, land surface temperature shows how hot the ground itself becomes, often much higher as rock and asphalt absorb heat throughout the day. Sentinel-3 uses thermal sensors to monitor Earth’s land, oceans, ice, and atmosphere, supporting everything from weather response to long-term climate monitoring.

Climate change refers to long-term shifts in temperatures and weather patterns. Human activities have been the main driver of climate change, primarily due to the burning of fossil fuels like coal, oil and gas.
Learn more: 

https://www.un.org/en/climatechange/what-is-climate-change

Sentinel-3
https://www.esa.int/Applications/Observing_the_Earth/Copernicus/Sentinel-3

Learn more about the European Space Agency's Copernicus Earth Observation Program: 
https://sentinel.esa.int/web/sentinel/copernicus/

Credits: European Space Agency (ESA)
Duration: 2 minutes
Release Date: June 25, 2026

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