The grass pollen risk in the East of England will be very high during warm, dry weather.
Spore and weed levels will be elevated too.
More top news
Suffolk Police say the the re-opening of a 20 year old cold case involving the murder of Victoria Hall has generated new lines of enquiry.
The travel company faces falling into administration this weekend if it does not find an additional £200m in funds.
Another dry day, with almost unbroken sunshine. The east coast will be cooler than inland.