Pollen Count in Marstal
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Marstal, Denmark has different pollen seasons. Tree pollen starts in March. It's from trees like oak, birch, and beech. Many people feel unwell during this time.
Updated: 5/10/2026
Grass pollen season starts in May. It's the worst in June and July. Grass pollen makes many people feel sick. They have symptoms like itchy eyes and runny noses.
Weed pollen season is in August and September. Weeds like mugwort and nettle produce pollen. This pollen can still make people feel unwell.
Pollen seasons end in September. The air gets cleaner, and people feel better. Winter months have little to no pollen.
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 Marstal 🌾. 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 | 4.1 | 0 | 0 | 0 | 0 | 0 |
| Mar | 99.6 | 7.6 | 0 | 0 | 0 | 0 |
| Apr | 6.6 | 676.1 | 2.3 | 0 | 0 | 0 |
| May | 1.8 | 432 | 29.7 | 0 | 0 | 0 |
| Jun | 0 | 2.3 | 287.8 | 1.7 | 0.1 | 0 |
| Jul | 0 | 0.3 | 149.8 | 16.6 | 0 | 0 |
| Aug | 0 | 0 | 39.7 | 6.8 | 0 | 0.5 |
| Sep | 0 | 0 | 6.1 | 0.3 | 0 | 3.2 |
| Oct | 0 | 0 | 0.5 | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(31 km)
(64 km)