Pollen Count in Rønne
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Rønne, Denmark has different pollen seasons. Tree pollen starts in March. It's from trees like oak, birch, and beech. This pollen season usually ends in May.
Updated: 3/25/2026
Grass pollen season starts in May. It lasts until July. Many plants with grass-like flowers produce pollen. This season can be strong.
Weed pollen season starts in June. It ends in August. Plants like nettle and dandelion produce pollen. This season can be bad.
In Rønne, pollen counts are usually low in winter. They increase in spring and summer. The counts decrease in autumn. Each season brings different types of 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 Rønne 🌾. 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 | 10.3 | 0 | 0 | 0 | 0 | 0 |
| Mar | 153.2 | 5.2 | 0 | 0 | 0 | 0 |
| Apr | 33 | 1101.5 | 2.2 | 0 | 0 | 0 |
| May | 1.9 | 641.6 | 23.1 | 0 | 0 | 0 |
| Jun | 0 | 13.1 | 294.3 | 0.4 | 0 | 0 |
| Jul | 0 | 0.8 | 159.9 | 11.9 | 0 | 0 |
| Aug | 0 | 0 | 46.6 | 10.6 | 0 | 1.1 |
| Sep | 0 | 0 | 6.1 | 0.3 | 0 | 7.7 |
| Oct | 0 | 0 | 0.3 | 0 | 0 | 0.1 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |