Issued 2nd of April 2020
Situation and medium-term forecast
Birch, ash, and hornbeam will cause high allergenic burden this weekend!
All over Austria temperatures are rising again and this will boost the release of pollen. The birches and hornbeams have already started to flower in the lowlands of eastern Austria. After a peak in pollen release in mid-March, the cold weather of the past weeks kept the pollen concentrations on a low to moderate level. With the return of fair-weather conditions this weekend the birches and hornbeams in Vorarlberg, Tyrol, Salzburg and Carinthia will reach readiness to flower as well. The mild, sunny and dry weather will lead to an increase in pollen concentrations and allergenic burden of both birch family members.
In Austria, the ash tree bloom is at the moment in full swing. In the Danube Valley, the Pannonian Lowlands, and the Graz Basin have they already started flowering in mid-March. They still have retained potential to pollinate and this weekend a high allergic burden is expected. In the south and west of Austria, the ash trees have recently reached their readiness to flower and the mild weather will lead to a peak in pollen release this weekend.
Hornbeam is closely related to birch, alder and hazel. Pollen allergy sufferers sensitized to one of these allergenic plants may experience symptoms caused by cross-reactions to hornbeam. Persons reacting to the pollen of members of the birch family should avoid straining work outside this weekend.
Pollen of the following plants of minor allergenic relevance is at the moment in the Austrian pollen spectrum: elm, maple, poplar, willow, cypresses and yews.
Useful hint: Protect your conjunctiva mechanically and very simple with sunglasses: part of the pollen is kept from your eyes and you thus protect your already irritated mucous membranes of your eyes, which are more sensitive to light than usual during an allergic reaction. A hat with a broad brim keeps pollen in addition from you.
|We expect the readiness to flower for birch in||on|
|Vienna||ready to flower|
|Eisenstadt||ready to flower|
|St. Pölten||ready to flower|
|Linz||ready to flower|
|Salzburg||ready to flower|
|Innsbruck||ready to flower|
|Bregenz||ready to flower|
|Graz||ready to flower|
|Klagenfurt||ready to flower|
|Bolzano||ready to flower|
|Munich||ready to flower|
Forecast from 02.04.2020
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:
pollenwarndienst.at 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 Mag. Dr. Katharina Bastl
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)