Pollen Count in Bottrop
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Bottrop has different pollen seasons. Tree pollen starts in March. It's bad for a few weeks. People with allergies feel sick.
Updated: 6/25/2026
Grass pollen season starts in May. It lasts a few weeks. Pollen counts are usually high. This makes people feel unwell.
Ragweed pollen is not common in Bottrop. But weed pollen can still cause problems. This happens in August and September. Pollen counts can be high.
Winter months have low pollen counts. From October to February, it's mostly calm. No major pollen seasons occur during this time. People can enjoy the outdoors.
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 Bottrop 🌾. 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 | 194.8 | 0 | 0 | 0 | 0 | 0 |
| Mar | 547.5 | 578.6 | 0 | 0 | 0 | 0 |
| Apr | 5.5 | 2364.1 | 13.3 | 0 | 0 | 0 |
| May | 0.7 | 136.4 | 141 | 0 | 0.6 | 0 |
| Jun | 0 | 0.1 | 705.8 | 34 | 0.4 | 0 |
| Jul | 0 | 0.3 | 229 | 201.2 | 0 | 0 |
| Aug | 0 | 0 | 54.1 | 49.5 | 0 | 34.2 |
| Sep | 0 | 0 | 4 | 1.5 | 0 | 39.6 |
| Oct | 0 | 0 | 0.1 | 0.1 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(6 km)