Pollen Count in Royan
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In Royan, France, there are three main pollen seasons. The first one starts in February and lasts until April. It's caused by trees like oak and birch.
Updated: 3/1/2026
From April to June, grasses release pollen into the air. This is the second pollen season. Many people have trouble breathing during this time.
In the summer, from June to August, weeds like nettle and sorrel release their pollen. This is the third and final pollen season of the year.
During these seasons, it's a good idea to stay indoors when the pollen count is high. Keeping windows and doors closed can also help.
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 Royan 🌾. 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 | 0.4 | 0 | 0 | 0 | 0 | 0 |
| Feb | 86.6 | 0 | 0.1 | 0 | 0 | 0 |
| Mar | 57.6 | 203.5 | 11.9 | 0 | 0 | 0 |
| Apr | 7.4 | 294.7 | 71.3 | 0 | 0.5 | 0 |
| May | 0.7 | 13 | 499.6 | 0 | 12.3 | 0 |
| Jun | 0 | 0.1 | 731.8 | 0.1 | 2 | 0 |
| Jul | 0 | 0 | 257.5 | 6.2 | 0.1 | 0 |
| Aug | 0 | 0 | 98.1 | 11.6 | 0 | 3.9 |
| Sep | 0 | 0 | 10.6 | 5.6 | 0 | 1.2 |
| Oct | 0 | 0 | 2.7 | 0.9 | 0 | 0 |
| Nov | 0 | 0 | 0.1 | 0.1 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(49 km)