Pollen Count in Frederiksberg
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Tree pollen starts in late March. It's from trees like oak, beech, and birch. Many trees release pollen at this time. It makes the air messy.
Updated: 4/16/2026
Grass pollen starts in late May. It's from grasses and wheat. The pollen counts are usually high. It affects people outside a lot.
Ragweed pollen starts in August. It's from ragweed plants. The pollen counts are usually lower than tree and grass pollen. It still causes problems.
Pollen seasons end in October. The air gets cleaner then. People can enjoy the outdoors again. The pollen counts stay low until next spring.
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 Frederiksberg 🌾. 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 | 2.2 | 0 | 0 | 0 | 0 | 0 |
| Mar | 170.3 | 4.7 | 0 | 0 | 0 | 0 |
| Apr | 8.3 | 1457.2 | 1.5 | 0 | 0 | 0 |
| May | 2.4 | 491.7 | 24.8 | 0 | 0 | 0 |
| Jun | 0 | 5.5 | 288.8 | 1.4 | 0 | 0 |
| Jul | 0 | 0.2 | 154 | 74.6 | 0 | 0 |
| Aug | 0 | 0 | 40.7 | 48.7 | 0 | 6.2 |
| Sep | 0 | 0 | 4.5 | 1 | 0 | 25.1 |
| Oct | 0 | 0 | 0.1 | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(1 km)
(28 km)