Forecast

Fungal spores and mugwort are causing problems!

Temperatures are set to rise well above the 30-degree mark in the coming days, with plenty of sunshine expected. This would normally create ideal conditions for pollen dispersal. However, as the grass pollen season is already well advanced and the mugwort pollen season is still in its early stages, only low to moderate levels of pollen are expected. Should heat-related storms occur, short-term spikes in fungal spore levels are possible afterwards.

Grass pollen levels are now mostly only reaching low levels. They are most likely to be found in shady woods or along riverbanks where grasses are in flower. Along paths and roadsides, it is now mainly sorrel, goosefoot plants and plantain that are causing pollen levels to rise. 

Maize fields have also already passed their peak flowering period, but elevated levels are still to be expected in the immediate vicinity.

Mugwort populations in Burgenland are already well established and may cause low to moderate levels of pollen. However, the peak is not expected until mid-August.

Ragweed is also growing and sprouting; it will take until well into August before it flowers. If you spot ragweed populations whilst out and about, please feel free to report them via the ‘Ragweed Finder’ citizen science platform. Reports can be submitted either via the website ragweedfinder.at or via the app (for Android and iOS). The reports are reviewed by experts from the “Ragweed Finder” team, plotted on the ragweed map and forwarded at regular intervals to the relevant authorities in the federal states. These authorities can then use the reports to take further action.

We are currently at the peak of fungal spore levels. High concentrations of spores from Alternaria and Cladosporium are therefore to be expected.