Pollen alarm in Landshut: Ambrosia pollen is so dangerous!

Pollen alarm in Landshut: Ambrosia pollen is so dangerous!

The pollen count in Landshut is also becoming an important issue these days, especially for people who suffer from allergies. OnSeptember 23, 2025expected the Allgäu/Upper Bavaria/Bay region. Forest has a low level of ragweed pollen contamination. According to news.de the situation remains largely stable - no reason to panic, but still worth paying attention to for allergy sufferers.

For today, that09/24/2025, the pollen forecast in Landshut does not predict any pollution from alder, birch, rye, mugwort, hazel or ash. Only light pollen from grasses could be noticeable, while ragweed can also have a low level of pollution. This flood of pollen can be particularly problematic in urban areas, where air pollutants such as nitrogen oxides increase the aggressiveness of the pollen.

The ambrosia under the magnifying glass

Ambrosia, also known as ragweed (Ambrosia artemisiifolia), is spreading more and more in Germany and represents a serious problem for allergy sufferers. The pollen of this plant is extremely allergenic - it has a five times higher allergy potential than grass pollen. Just ten pollen per cubic meter of air can trigger symptoms such as hay fever, conjunctivitis or even allergic asthma, as 24vita states.

Originally immigrated from North America, ragweed has experienced a relentless growth spurt since its introduction in the 19th century, further boosted by climate change. It prefers to spread in locations with little vegetation - a circumstance that often reminds us of the fallow land in new development areas. It's not just the growth of the plant itself that's a headache, but also its ability to spread pollen over long distances.

Pollen count and weather-related effects

Current weather conditions can influence pollen levels. In Landshut, temperatures are currently at a pleasant 12°C to 14°C, while light rain and high humidity are temporarily calming the pollen load. Rain can help wash pollen from the air, which can be a relief for allergy sufferers. Nevertheless, pollen levels are often tolerable in the morning and increase over the course of the day, leading to increased pollution.

The flowering period of the ragweed extends fromJuly to October, with the plant producing pollen until the first frost. The current forecast suggests that allergy sufferers will find more favorable conditions for outdoor activities, especially in the morning and evening hours, according to information from Apotheken Umschau.

Detection and control options

How do you recognize ragweed? You can choose between15 and 180 cmtall, has strongly branched, slightly reddish stems and characteristic pinnate leaves. Anyone who discovers them should, if possible, remove them including the roots before they bloom. Important: Flowering plants belong in the residual waste and not in the compost. There is no nationwide reporting requirement for ragweed populations, but reports should be directed to local parks departments.

For allergy sufferers, this means: prevention is better than cure. Contact with ragweed should be avoided and it is recommended to always wear gloves and masks when working in the garden.

Ambrosia may be a harmless plant representative, but for many allergy sufferers it poses an invisible danger. A good hand in handling this plant can significantly improve the quality of life.