Forecast

Increasing exposure to grass pollen!

After a warm summery weekend, the start of the coming week will be extremely sunny and continue to be warm in early summer. Although the risk of rain or thunderstorms increases towards the middle of the week, it should otherwise remain dry. As many of the early flowering grasses are already in bloom, people who are sensitised to grass pollen must be prepared for increasing exposure.

At present, panicle, couch, tufted and foxtail grasses in particular are responsible for low to moderate pollen concentrations in the ambient air.

In meadow areas, the already flowering plantain can cause additional pollution.

Note: At the moment, a yellowish film of dust can be found on car roofs or window sills. This is pollen from conifers such as spruce, pine and fir trees. From an allergological point of view, it is not relevant. However, as this pollen is present in high concentrations in the ambient air, it can cause mechanical irritation of the conjunctiva and respiratory tract.

The birch blossom is already over. Pollen is only sporadically registered at the measuring points. Exposure can only occur very locally, if at all.

The concentrations of beech and oak pollen are already declining, but they can still lead to cross-reactions in birch pollen allergy sufferers.

In some parks, the first lime trees will also appear in the coming days. lime trees start to bloom in some parks in the coming days. As their flowers are insect-pollinated, they can usually only be found in the surrounding air to a small extent. However, there may still be relevant pollen concentrations in the immediate vicinity.

In the area surrounding Vienna, the rapeseed fields are still in bloom. To avoid possible symptoms, pollen allergy sufferers should avoid being near these fields.

The white flakes in the air are the seeds and seed hairs of the poplar. They usually fly at the same time as the grasses start to flower. Unlike grass pollen, however, they cannot cause allergic symptoms.

People who are sensitised to the pollen of olive trees must expect symptoms in the coming days that are related to the flowering of the manna ash blossom.

In addition to the pollen types mentioned, mulberry, horse chestnutsour grasses, walnut and cypress plants are represented in the pollen spectrum. However, they only have a very low allergenic potential.

Forecast date: 2026-05-04

Note: The data shown here are model data for the expected start of flowering. For more detailed information on the expected pollen count, please refer to the text forecasts.