Pollen Count in Bourdeaux
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Bordeaux, France has a lot of trees, grasses, and flowers. They produce pollen. Pollen is a yellow powder. It floats in the air.
Updated: 6/19/2026
Spring is a big pollen time. Trees like oak, beech, and cedar make a lot of pollen. It starts in February and March. The air is filled with tree pollen.
In late spring and summer, grasses and weeds make pollen. This lasts from May to July. The pollen count is usually highest in the morning.
Summer ends and autumn starts. Weeds like ragweed make pollen. It lasts from August to October. People notice more pollen on cars and buildings.
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 Bourdeaux 🌾. 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 | 52.2 | 0 | 0 | 0 | 0 | 0 |
| Mar | 324.5 | 165.2 | 5 | 0 | 0 | 0 |
| Apr | 19.3 | 444.8 | 34.2 | 0 | 1.6 | 0 |
| May | 1 | 18.2 | 386.3 | 0 | 13.7 | 0 |
| Jun | 0.4 | 2.8 | 745.5 | 0 | 26.4 | 0 |
| Jul | 0 | 0 | 324.4 | 10.6 | 0.1 | 1.6 |
| Aug | 0 | 0 | 94.5 | 18.7 | 0 | 150.7 |
| Sep | 0 | 0 | 17.8 | 16.2 | 0 | 95.1 |
| Oct | 0 | 0 | 3.5 | 1 | 0 | 0.3 |
| Nov | 0 | 0 | 0.5 | 0.1 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(58 km)