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How the birch pollen front moves through Europe

Kristian Tangen

The birch pollen season is short but intense

To illustrate how the pollen front is moving through Europe, Airmine has made an animation based on the average birch pollen levels recorded throughout Europe the last 10-15 years. Please note that this is not a forecast for this year, but an illustration of how birch pollen normally develops in Europe.

The video shows how the birch pollen season starts with some scattershots in different places in Europe before it starts for earnest in South of France and the Balkans in late March.

Ten days later it has spread throughout the middle of Europe and reaches Scandinavia in the middle of April. The epicenter then moves quickly northwards with large areas of Europe experiencing high levels of pollen in late April.

By early May, the areas hardest affected are the Scandinavian countries. From there the pollen front gradually moves northwards before it fades out. By mid-July it is all over.

Illustration of birch pollen development in Europe, based on average levels recorded last 10-15 years. Thanks to Rasmus Moldstad Bakken for creating the maps.

Follow Airmine’s pollen stories

We are currently diving into pollen research and modelling and are publishing updates regularly. You may be interested in some of our previous posts: Using satellites to predict the start of the pollen season, Hazel pollen spread starting in Northern and Central Europe and Kick-off for the European pollen season.

In as short time, we will come back with a 10-days forecast for hazel pollen in Europe.

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