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
LIST and UNHCR to launch early warning system for emergenciesNews

LIST and UNHCR to launch early warning system for emergencies

The warning system would help humanitarian actors to better anticipate critical situations, deliver timely alerts and respond accordingly. The UN Refugee Agency (UNHCR), in coordination…
SourceSourceNovember 14, 2024 Full article
Image: Closeup shot of Mangrove tree saplings planted in the forest of Trapeang Sangkae in Kampot
More than half of all mangrove ecosystems at risk of collapse by 2050News

More than half of all mangrove ecosystems at risk of collapse by 2050

In a report released today, the International Union for Conservation of Nature (IUCN) warns that more than half of the world's mangrove ecosystems are at…
Adrian AlexandreAdrian AlexandreMay 22, 2024 Full article
Image: Belém, PA, Brazil. Ornamental old church in city center.
Promise less, act more: Host Brazil’s climate summit vowNews

Promise less, act more: Host Brazil’s climate summit vow

Paris, France | AFP Ahead of the first UN climate summit in the Amazon, its president has defended the choice of Belem to host the conference…
SourceSourceAugust 12, 2025 Full article