Situation and medium-term forecast for Austria: Pollenwarndienst

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Forecast

15
August
Situation and medium-term forecast for

Issued 14th of August 2018

Situation and medium-term forecast from 14th to 20th of August 2018

Main burden from mugwort continues – burden from ragweed pollen increases in the East of Austria!
Mugwort flowers and is in its main flowering period. Moderate to high mugwort pollen concentrations have to be expected in the air, depending on the region (prevailing in the East of Austria) and the weather conditions. Mugwort occurs more frequently at weed fields, fallow lands and dumps, thus its pollen has to be expected there. Mugwort pollen allergy sufferers could evade into higher altitudes. Hardly any burden is expected above a sea level of 1200 meters.

The ragweed pollen season has started earlier than on average this year. The majority of plants is ready to flower. A moderate to high burden has to be expected especially during winds from the Southeast in the concerned regions of Austria, especially in Burgenland, Vienna, Lower Austria, Styria, parts of Upper Austria and Carinthia.
A higher burden prevails in proximity to flowering ragweed, however the distribution varies. The burden of weed pollen allergy sufferers might be augmented due to cross-reactivity in the overlapping flowering phases of mugwort and ragweed.

Remark: A burden may occur on occasion in other regions of Austria as well or might be increased in the concerned regions of Austria due to long distant transport of ragweed pollen and to the more progressed flower of ragweed in the East and South of Europe. The West of Austria is still a recommended region for ragweed pollen allergy sufferers.
Here you can see the ragweed reports from 2018 and you can report your findings as well: www.ragweedfinder.at

Golden rod is flowering. This plant is insect pollinated and does not cause a noticeable widespread pollination, but might be of importance for sensitive persons with sensitization to composite plants (such as mugwort and ragweed) in direct contact. Canada golden rod is a neophyte of importance in Austria and is used as ornamental plant in bouquets.

The grass pollen season fades.
Dock and plantain still flower.

What else: The pollen spectrum contains pollen from hop, the goosefoot and the nettle family in addition, which is of a low allergological importance.

Fungal spores occur in up to high concentrations in the air in the lowlands. We are in the period of the peak burden from fungal spores and the burden increases rapidly after short showers of rain. The burden from fungal spores decreases with the sea level.

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 und Mag. Dr. Katharina Bastl
medium-term forecast based on model and pollen data from Austria and surrounding countries

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

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