Pollen Count in Aalen
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In Aalen, Germany, trees start releasing pollen in March. This is when hazelnut and alder trees bloom. They spread yellow dust in the air.
Updated: 2/11/2026
In April, birch trees start pollinating. They are the biggest pollen producers. They make it hard for people to breathe.
In May, grasses and weeds start blooming. They release more pollen into the air. This is the worst month for pollen.
In June, pollen seasons start to slow down. Fewer trees and plants release pollen. The air starts to get cleaner again. People can finally breathe easily!
Pollen Forecast Chart
Recommendations
When pollen concentrations reach a peak, we suggest these simple steps to help with hay fever. These tips are extra important on windy days when plants are in peak anthesis (the time when they release the most pollen).
- Wear masks if necessary
- Shower after going out
- Wear sunglasses if windy
- Close windows and doors
- Use an indoor air purifier
- Avoid wearing woolen clothes outside
- Limit outdoor activities
Annual Pollen Overview
Check out this month-by-month overview of the daily average pollen count in Aalen 🌾. This data is based on previous years and serves as a guideline to help you understand when different pollen seasons typically occur in your city.
| Alder | Birch | Grass | Mugwort | Olive | Ragweed | |
|---|---|---|---|---|---|---|
| Jan | 0.9 | 0 | 0 | 0 | 0 | 0 |
| Feb | 57.9 | 0 | 0 | 0 | 0 | 0 |
| Mar | 405.4 | 20.7 | 0.5 | 0 | 0 | 0 |
| Apr | 4.4 | 1406.5 | 31.5 | 0 | 0.1 | 0 |
| May | 0.5 | 90.1 | 362.1 | 0 | 0.7 | 0 |
| Jun | 0 | 1.1 | 922.8 | 3.4 | 1.6 | 0 |
| Jul | 0 | 0.1 | 304.1 | 27 | 0 | 0 |
| Aug | 0 | 0 | 73.1 | 23.8 | 0 | 4.5 |
| Sep | 0 | 0 | 6.8 | 12.4 | 0 | 7.3 |
| Oct | 0 | 0 | 0.5 | 1.2 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(49 km)