Pollen forecast by city › Vienna
Pollen forecast for Vienna today
Pollen levels in Vienna today by trees, grasses and weeds, the forecast for the coming days, and when each plant’s pollen season usually starts and peaks.
In Vienna the pollen year can start as early as December and January, when purple alder, an ornamental hybrid, flowers, according to the pollen calendar of the Medical University of Vienna. High levels of alder and hazel pollen follow from February to mid-March, ash from late March, and birch in April, alongside other planted trees. Grasses peak from mid-May to mid-July. In late summer ragweed is a major issue, especially in eastern Austria: its pollen is high from mid-August to mid-September and can linger into October, while mugwort peaks in mid-August. Dates vary from year to year.
Pollen today
- Trees0 · none
- Grasses1 · very low
- Weeds1 · very low
- Ragweed1 · very low
- Mugwort1 · very low
Data updated Mon, 12 Oct, 07:05, local time.
Pollen forecast for the next days
| Day | Overall | Trees | Grasses | Weeds | Ragweed | Mugwort |
|---|---|---|---|---|---|---|
| Tomorrow, Tue, 13 Oct | Overall1 · very low | Trees0 · none | Grasses1 · very low | Weeds1 · very low | Ragweed1 · very low | Mugwort1 · very low |
| Wed, 14 Oct | Overall1 · very low | Trees0 · none | Grasses1 · very low | Weeds1 · very low | Ragweedno data | Mugwort1 · very low |
| Thu, 15 Oct | no data | |||||
| Fri, 16 Oct | no data | |||||
In bloom now
- Ragweedvery low
Pollen season calendar for Vienna
When pollen of each plant is usually in the air in Vienna, month by month. The calendar is an estimate for a typical year; the actual start shifts with the weather by a week or two.
| Plant | January | February | March | April | May | June | July | August | September | October | November | December |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hazelseason Jan – Mar, peak Jan – Feb | ||||||||||||
| Alderseason Jan – Apr, peak Feb – Mar | ||||||||||||
| Birchseason Feb – May, peak Mar – Apr | ||||||||||||
| Ashseason Mar – May, peak Mar – Apr | ||||||||||||
| Cottonwoodseason Mar – May, peak Apr – May | ||||||||||||
| Oakseason Mar – Jun, peak Apr – May | ||||||||||||
| Pineseason Apr – Jun, peak Apr – May | ||||||||||||
| Grassesseason Apr – Aug, peak May – Jul | ||||||||||||
| Mugwortseason Jul – Oct, peak Aug – Sep | ||||||||||||
| Ragweedseason Aug – Oct, peak Sep – Oct |
On high-pollen days
- Pollen levels are usually highest on warm, dry and windy days; rain washes pollen out of the air for a while.
- Keep windows closed when the level is high and air rooms after rain.
- After a long time outdoors, change clothes and wash your hair; dry laundry indoors.
- Sunglasses help keep pollen out of your eyes.
- If you have allergy symptoms, talk to a doctor — this page does not replace medical advice.
About the data
Current levels and the forecast come from the Google Pollen API. It is a model forecast on the Universal Pollen Index (0–5), not a measurement from a local pollen trap. The season calendar is AllergoRadar’s estimate based on model data and published pollen calendars. Reference information only, not medical advice.
Get this forecast every morning
AllergoRadar sends a short daily summary for your exact location and keeps a symptom diary that shows which pollen your bad days follow. Free, no paid tier.
