Forecast

23
May
Situation and medium-term forecast for

Issued 20th of May 2019

Situation and medium-term forecast

The flower of grasses burdens in a moderate to high extent in the lowlands!
The grass pollen concentrations increased over the weekend. Currently, a moderate to high burden has to be expected during sunny and warm weather in the valleys, lowlands and basins. Rainfalls may decrease pollen concentrations short-term of decrease the burden in total for certain days.
Meadow grass, orchard grass, false-oat grass and brome grasses flower among the grasses. Grass pollen allergy sufferers should avoid flowering meadows, because the local burden is higher there. The burden is lower where it was mowed.
Grass pollen allergy sufferers will find good conditions in mid altitudes, at or above the timber line as well as in dense deciduous forests.

Cultivated rye is flowering and may affect or burden additionally grass pollen allergy sufferers in proximity to fields in growing regions.
Dock and plantain flower.

The white flakes floating in the air are poplar wool, which itself does not irritate. It is just the seed and seed hair from poplar. However, irritation is often wrongly attributed to it because the occurrence of poplar wool usually coincides with grass pollination. However, it occurs earlier in the air this year.

Currently flowering rapeseed fields should be avoided by concerned pollen allergy sufferers.

The onset of the flower of green alder has to be expected in higher elevated regions and areas of growth. Pollen arrives in mostly a low amount also in the lowlands, but the main burden is found in mid- to high-altitude regions. Green alder pollen might concern alder and birch pollen allergy sufferers.

The “Sulphur sediment” is noticeable: Yellow sediment can be found on water surfaces, smooth surfaces and window panes. This sediment derives now from conifer pollen (pine, spruce), which may be annoying, but does not cause an allergic burden.

What else: The pollen spectrum contains pollen from oak, walnut, horse chestnut, spruce, pine, elder and sedges in addition, which is of a low allergological importance.

Fungal spores may occur in relevant, but for now only low concentrations in the air in the lowlands during fair weather periods.

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
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

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