On 30 July, the risk will be similar, according to the forecast from the Portuguese Institute of the Sea and the Atmosphere (IPMA).

The five-level scale varies between extreme and low risk

For regions with very high risk, the IPMA advises the use of sunglasses with UV filter, hat, t-shirt, parasol, sunscreen and avoiding exposure of children to the sun.

For regions with high risk, it advises the use of sunglasses with UV filter, hat, t-shirt and sunscreen.