Forecast

Beech and oak trees are blossoming in Vorarlberg!

For the coming long weekend, meteorologists are forecasting sunny and dry conditions for Vorarlberg with daily maximum temperatures of 25 °C. In these conditions, the pollen can fly unhindered and allergy sufferers have to be prepared for moderate to high levels of allergies.

In the lowlands of Vorarlberg, the birch has finished flowering and there are usually only low to moderate pollen concentrations. At higher altitudes, there are only isolated flowering specimens, which locally cause moderate to high levels of pollution.

Currently flowering in Vorarlberg walnut trees, oaks and beeches. As they are related to the birch family, they can trigger similar allergic reactions in sensitive people.

The manna ash is also in bloom. Although it is relevant for people allergic to ash pollen, it produces significantly less pollen than the common ash, as it is mainly pollinated by insects. Nevertheless, sensitive people should avoid direct contact.

The lilac blossom is coming to an end. As a relative of the ash tree, it can also cause cross-reactions. As pollination is mainly carried out by insects, the pollen load is usually low and only noticeable in the vicinity of these shrubs. Anyone who is sensitive to olive trees should therefore avoid placing flowering branches indoors.

Only low concentrations of plane tree pollen concentrations were measured. At the same time, the horse chestnuts are in bloom. They are particularly relevant for people who react to maple pollen.

We have received reports of flowering specimens of panicle grass, couch grass, tufted grass and foxtail grass in the valleys of Vorarlberg. Our pollen trap in Feldkirch has also already detected grass pollen registered. This weekend, the grasses may cause low to moderate levels of pollen. At altitudes above 1000 metres, it will be some time before the grasses start to flower.

The rape is currently flowering in the fields, which can significantly increase the pollen load in the vicinity of these areas. Sensitive people should avoid these areas if possible.

Note: At the moment, a yellowish film of dust can be found on car roofs or window sills. This is pollen from conifers such as spruce, pine and fir trees. From an allergological point of view, it is not relevant. However, as this pollen is present in high concentrations in the ambient air, it can cause mechanical irritation of the conjunctiva and respiratory tract.

In addition to the pollen types already mentioned, pollen from maple, larch, rushes, and cypress plants are present in the air. However, these only have a low allergenic potential.

Forecast from 2026-04-30

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.