According to the Portuguese Institute of the Sea and the Atmosphere (IPMA), the mainland, the islands of Porto Santo, São Miguel, Faial and Flores (Azores) are all currently at very high risk of exposure to UV radiation.

With high levels of radiation exposure, are the islands of Madeira and Terceira, in the Azores.

The ultraviolet radiation scale has five levels, between extreme and low risk.

For regions with very high risk, the IPMA advises the use of sunglasses with a UV filter, a hat, T-shirt, parasol, sunscreen and that children should not be exposed to the sun.