Pollen in Porto
Live levels for Norte, the region Porto sits in, from the Copernicus four-day forecast.
Today in Porto
No forecast has been published for this region yet today.
Which pollen matters in Porto
Of the six species forecast across Europe, 2 are a factor here. The rest either do not grow in Portugal or never reach levels worth reporting.
When each season runs
| Grass |
|
|---|---|
| Olive |
|
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.