Moderate pollen levels expected over the next few days, turning lower towards the end of the week.
Mumbles in South Wales is among the most expensive seaside towns in the UK outside southern England, figures have revealed.
An average property there has a value of £271,349.
A survey of house prices in 196 seaside towns across the country by Halifax found that houses in Salcombe are the most costly, with a typical value of £672,874.
The least expensive is Port Bannatyne in Scotland, where a property will set you back £73,539 on average.