Pollen in London
Live levels for Inner London — West, the region London sits in, from the Copernicus four-day forecast.
Today in London
No forecast has been published for this region yet today.
Which pollen matters in London
Of the six species forecast across Europe, 3 are a factor here. The rest either do not grow in United Kingdom or never reach levels worth reporting.
When each season runs
| Birch |
|
|---|---|
| Grass |
|
| Alder |
|
Continental timing. On the coast and in the south a season can open two to three weeks earlier than the calendar suggests, and a warm spring pulls the tree pollens forward again.