A dense haze, known locally as Calima, blanketed Spain’s Canary Islands on 17 December 2024 following Storm Dorothea. Strong winds carried suspended dust from the Sahara Desert, significantly impacting air quality and visibility, particularly on Lanzarote and Fuerteventura.

Satellite Image of Canary Islands
Canary Islands, Spain. Credit: European Union, Copernicus Sentinel-2 imagery

According to data, the daily concentration of particulate matter in these areas surpassed levels recommended by the World Health Organization, raising health concerns for local communities. The phenomenon, visible in this Copernicus Sentinel-2 satellite image, shows the recurring challenges posed by transcontinental dust transport.

The Copernicus Atmosphere Monitoring Service offers crucial daily updates and forecasts on the movement of atmospheric pollutants, providing valuable insights for authorities to protect public health and enhance preparedness.

Featured image credit: European Union, Copernicus Sentinel-2 imagery

Image: large industrial area; refinery
Energy sector methane emissions linger near record highs: IEANews

Energy sector methane emissions linger near record highs: IEA

Paris, France | AFP | Muser NewsDesk Methane emissions from the energy sector remained at near record levels in 2025, the International Energy Agency said in…
SourceSourceMay 4, 2026 Full article
Image
New microbe-central model predicts global grassland soil pH under climate changeScience

New microbe-central model predicts global grassland soil pH under climate change

By Zhang Nannan | Chinese Academy of Sciences In a study published in One Earth, a research team led by Prof. Deng Ye from Research…
SourceSourceJuly 9, 2024 Full article
Image
Demise of rangelands ‘severely underestimated’: reportNews

Demise of rangelands ‘severely underestimated’: report

By Nick Perry | AFP Paris, France - From camel drivers in the Sahara to nomads on the Mongolian steppe, traditional herders the world over…
SourceSourceMay 21, 2024 Full article