Britain will be hit by more smog and hotter than Hawaii and Greece over the next two days.
Forecasters warned that smog will return to the UK at the end of the week. Tuesday and Wednesday are set to be the hottest days of 2015 so far, beating the 21C recorded in St James Park in central London on Friday.
The temperature is expected to hit 25C (77F) on Tuesday in central London - making it the hottest April 14 since records began in the 1850s.Temperatures could then reach 26C (79F) in the capital on Wednesday.
Sun-lovers in the south of England were warned to use suncream - or sun strength - will hit level ‘5’ over the two days.
However, there were also warnings of a smog in air pollution towards the end of the week which could cause problems for those with heart and lung problems and with breathing difficulties.
An officer said: “People get distracted by good weather.More sick days could happen in the next two days, with longer lunch breaks, workers leaving early and productivity affected”.