All Regions Europe Pollen count for London today as hayfever season officially starts Tree pollen is prevalent from around now until mid-May My London – WeatherRead More About Author OTW Observer See author's posts Post navigation Previous An Asteroid’s Bite in an Australian Mountain RangeNext Exactly how long London’s warm weather will last as today set to be hottest day of 2025 so far Related Stories Met Office names 5 London areas under yellow ice warning for 10 hours All Regions Europe Met Office names 5 London areas under yellow ice warning for 10 hours January 27, 2026 Met Office names storm as London hit with weather warning All Regions Europe Met Office names storm as London hit with weather warning January 26, 2026 BBC Weather verdict on exact dates 2 weeks of rain will fall on London All Regions Europe BBC Weather verdict on exact dates 2 weeks of rain will fall on London January 24, 2026