Situation and medium-term forecast for

Issued 30th of March 2023

Situation and medium-term forecast

Reduced allergenic burden!

Unusual low temperatures and rain-/snowfall are expected over the weekend, causing unfavourable conditions for pollination. Therefore, pollen allergy sufferers may experience a reduced level of allergenic burden in the next days. As soon as the weather conditions are changing, a quick increase of allergenic burden must be expected.

Especially birch pollen allergy sufferers must expect high levels of allergenic burden because most trees already reached readiness to flower and are waiting for the right moment to start flowering. Due to cross-reaction, the flowering of hornbeam and hop hornbeam may already cause burden for pollen allergy sufferers who are sensitized to birch pollen.

In addition, ash pollen is causing allergenic burden as well. Even though most trees, in the eastern parts of the country already passed the peak flowering period, moderate levels of allergenic symptoms still must be expected.

What else: The pollen spectrum contains also pollen from acer, poplar, willow, rose family, cypresses and yews.

We expect the readiness to flower for birch inon
Bregenzready to flower
Eisenstadtready to flower
Grazready to flower
Innsbruckready to flower
Klagenfurtready to flower
Linzready to flower
Salzburgready to flower
St. Pöltenready to flower
Wienready to flower
Bozenready to flower
Munichready to flower

Forecast from 30.03.2023
Note: The model results give an indication of the expected start of flowering, based on information provided by local pollen warning services with direct reference to the local situation. Start of flowering is not to be equated with the beginning of the pollen season. When the start of flowering is achieved, the majority of the plants have the potential to release pollen, but only when weather conditions are favourable.

Responsible for the content: and the Department of Oto-Rhino-Laryngology of the Medical University Vienna, Research group aerobiology and pollen information
Uwe E. Berger MBA, Mag. Maximilian Bastl PhD and Lukas Dirr MSc
medium-term forecast based on model and pollen data from Austria and surrounding countries
reprint and publication in parts or completely is permitted only quoting the source

weather data and today´s forecasts based synoptic data: ZAMG (Zentralanstalt für Meteorologie und Geodynamik)
zum Team

The current pollen load for Austria

Legende: 1 = Low, 2 = Moderate, 3 = High, 4 = Very High

ash (Fraxinus)

Saturday, 01. April
Sunday, 02. April
Monday, 03. April

alder (Alnus)

Saturday, 01. April
Sunday, 02. April
Monday, 03. April

hazel (Corylus)

Saturday, 01. April
Sunday, 02. April
Monday, 03. April
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