Pollen Count in Weil am Rhein
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Weil am Rhein has different pollen seasons. Tree pollen starts in March. It's high in April and May. People notice it when they go outside.
Updated: 4/23/2026
Grass pollen starts in May. It's high in June and July. This makes people feel unwell when they're in parks or near grassy areas.
Ragweed pollen is low in Weil am Rhein. It grows in warm areas. Some plants bring pollen from other places. This can cause problems.
Weil am Rhein's pollen season ends in autumn. September and October have low pollen. Winter months have almost no pollen. This is good news for people.
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 Weil am Rhein 🌾. 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 | 0.3 | 0 | 0 | 0 | 0 | 0 |
| Feb | 53.6 | 0 | 0 | 0 | 0 | 0 |
| Mar | 198.5 | 219.1 | 0 | 0 | 0 | 0 |
| Apr | 4.3 | 1929 | 25.7 | 0 | 0.1 | 0 |
| May | 0.5 | 80.9 | 320.1 | 0 | 1.8 | 0 |
| Jun | 0 | 5 | 1079.5 | 0.5 | 2.6 | 0 |
| Jul | 0 | 0.1 | 335.8 | 42.5 | 0 | 0 |
| Aug | 0 | 0 | 71.8 | 72.4 | 0 | 26.9 |
| Sep | 0 | 0 | 5.7 | 38.1 | 0 | 23.6 |
| Oct | 0 | 0 | 0.4 | 5.1 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(4 km)
(5 km)
(28 km)