Saharan dust is spreading up from Africa into parts of Spain, turning skies and ski slopes orange.

Known locally in Spain as calima, the meteorological phenomenon occurs when fine particles of sand and dust is transported from the Sahara Desert by the prevailing winds.

It can cause respiratory issues particularly in those with underlying health conditions, and can also prompt the air temperatures to rise.

The effects of the Saharan dust are already visible across ski slopes as in the webcam image above, as dust and sand deposits settle on the ground, cars, homes, etc.

Calima most commonly occurs in summer, though can take place during any time of the year and can last a few days.