Pollen Count in Hagen
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Hagen, Germany has different pollen seasons. Tree pollen starts in February. It's highest in March and April. Many trees release pollen during this time.
Updated: 4/11/2026
Grass pollen season starts in May. It's usually highest in June. Grass pollen can make people feel unwell. Pollen counts are often high in summer.
Weed pollen season starts in July. It's highest in August and September. Weeds like ragweed release a lot of pollen. This can be a problem for people.
Winter months have low pollen counts. Pollen seasons mostly happen in spring and summer. People can check pollen forecasts to plan their days.
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 Hagen 🌾. 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 | 0 | 0 | 0 | 0 | 0 |
| Feb | 103.2 | 0 | 0 | 0 | 0 | 0 |
| Mar | 1182.9 | 452.1 | 0 | 0 | 0 | 0 |
| Apr | 10.6 | 2852.1 | 12.5 | 0 | 0 | 0 |
| May | 0.8 | 125.8 | 137.9 | 0 | 0.5 | 0 |
| Jun | 0 | 0.1 | 623.6 | 20.2 | 0.6 | 0 |
| Jul | 0 | 0.2 | 188.2 | 118.6 | 0 | 0 |
| Aug | 0 | 0 | 42 | 29.2 | 0 | 9.3 |
| Sep | 0 | 0 | 2.9 | 1.2 | 0 | 15.9 |
| Oct | 0 | 0 | 0 | 0.1 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(17 km)