Forecast

Situation and medium-term forecast for

Pollen information for Vienna from 14 July 2025

Changeable weather conditions are causing fluctuating pollen counts this week!

The new week will start with a mix of sun and clouds. Rain showers are also possible here and there, some of which may be thundery. The most intense precipitation is to be expected on Wednesdays and Thursdays in particular. After that, the weather will improve and the sun will appear more frequently. The first half of the week is therefore likely to be less affected by pollen and spores than the second half.

Grasspollen allergy sufferers can therefore breathe a sigh of relief until Wednesday, as the pollen count is expected to be low to moderate. However, as soon as the sun comes out more often, it is very likely that the levels will increase. However, as the season is already well advanced, peak levels are no longer to be expected.
In the areas surrounding Vienna, more and more maize fields are also reaching the flowering stage. Like rye and wheat, maize belongs to the sweet grass family. Maize pollen is larger and heavier than the pollen of naturally occurring grasses and therefore usually only reaches relevant pollen concentrations in the air in the immediate vicinity of the fields.

On dry and sunny days, plantain pollen also flies, which can cause allergic reactions. Stinging nettles also bloom and can irritate sensitised people.

The first mugwort plants are already flowering in and around Vienna. However, it will still be a few weeks before the plants are in full bloom. Allergy sufferers who are sensitised to mugwort should avoid typical locations with dense stands. These include dry grassland and field edges as well as areas heavily influenced by humans such as road verges.

The interplay of rain and sun is currently causing moderate to high concentrations of fungal spores in the ambient air.

The pollen spectrum is currently relatively stable. For this reason, the frequency of text forecasts will be reduced to once a week for the coming weeks. However, our team at polleninformation.at will continue to monitor the situation on an ongoing basis and will of course send out appropriate information should there be any changes to the expected levels of pollution. The monitoring centres operated by us and our colleagues will remain active in order to keep all the services provided, such as the hourly allergy risk, up to date.

Other types of pollen in the ambient air: bee pasture, umbellifers, goosefoot and buttercup plants as well as clove plants, sour grasses and cypress plants. These are of minor allergological importance.

Blühender Mais ©ÖPID, Johannes M. Bouchal

Responsible for the content

AZ Pollenresearch GmbH
im Auftrag des Vereins Österreichischer Polleninformationsdienst in Kooperation mit der GeoSphere Austria.
Dr. med. Markus Berger, Dr. rer. nat. Johannes M. Bouchal und Lukas Dirr, MSc.

Wetterdaten und Prognosen basierend auf synoptischen Daten:
GeoSphere Austria, Bundesanstalt für Geologie, Geophysik, Klimatologie und Meteorologie (ehemals ZAMG).
zum Team

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