Forecast

Rain and snow decreases airborne pollen, as soon as the sun appears the birch starts to bloom!

From Monday to Wednesday, it will remain rainy in the lowlands in Vorarlberg, while it snows at higher altitudes. This means that the relief phase for pollen allergy sufferers will continue for a few more days. From Thursday, there will be more sunshine and the pollen count will increase again.

The peak of the ash blossom has already passed in the lowlands of Vorarlberg. Nevertheless, there is still the potential for pollen release as soon as longer sunny phases set in and the inflorescences have dried out.

Forsythia is also relevant for allergy sufferers who are sensitised to olive trees. In this case, flowering forsythia branches should not be used as Easter decorations indoors.

The persistent cold and rain have so far prevented the first flowering hornbeams and birches begin to dust more heavily. However, an above-average number of catkins have been observed on the birch trees in Vorarlberg. As temperatures rise, the number of trees ready to flower will increase rapidly. As soon as the weather becomes more favourable again - probably from Wednesday - a significant increase in the pollen concentrations of birch and hornbeam can be expected.

Poplars and willows can also continue to release pollen and will do so in sunny periods.

In addition to the pollen types already mentioned maple,yew and cypress plants are represented in the pollen spectrum. However, they only have a very low potential for allergic reactions.

Forecast from 2026-03-30

Note: The data shown here are model data for the expected start of flowering. For more detailed information on the expected pollen count, please refer to the text forecasts.