Pollen Count in Giessen
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Giessen has different pollen seasons. Tree pollen starts in March. It's high in April and May. People notice it more on windy days.
Updated: 4/7/2026
Grass pollen season starts in May. It's high in June and July. This pollen comes from grass, fields, and parks. It's a problem for people outside.
Weed pollen season starts in July. It's high in August and September. This pollen comes from weeds like ragweed. It's not as bad as tree pollen.
Winter months have low pollen. But some plants release pollen in winter. People still notice some pollen. It's usually not as bad as other seasons.
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 Giessen 🌾. 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 | 0.2 | 0 | 0 | 0 | 0 | 0 |
| Feb | 81.5 | 0 | 0 | 0 | 0 | 0 |
| Mar | 692.6 | 47 | 0 | 0 | 0 | 0 |
| Apr | 4.7 | 1600.1 | 15.4 | 0 | 0 | 0 |
| May | 0.6 | 106.1 | 194.6 | 0 | 0.3 | 0 |
| Jun | 0 | 0.1 | 747.3 | 17.1 | 0.6 | 0 |
| Jul | 0 | 0.1 | 234.5 | 107.2 | 0 | 0 |
| Aug | 0 | 0 | 50 | 32.7 | 0 | 24.4 |
| Sep | 0 | 0 | 5.1 | 5.2 | 0 | 38.9 |
| Oct | 0 | 0 | 0.2 | 0.3 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(25 km)