Pollen Count in Pessac
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Pessac, France has different pollen seasons. Trees release pollen in spring, usually in March and April. This is when many trees start growing new leaves.
Updated: 4/26/2026
Grasses release pollen in late spring and early summer. This is around May and June. People notice more pollen in the air during these months.
Weeds release pollen in late summer and early fall. This is around August and September. Some weeds release pollen in October too.
Pessac's pollen seasons end in winter. December, January, and February have very little pollen. This is a relief for people who notice pollen.
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 Pessac 🌾. 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 | 0.6 | 0 | 0 | 0 | 0 | 0 |
| Feb | 72.7 | 0 | 3.1 | 0 | 0 | 0 |
| Mar | 60.1 | 332.8 | 22.7 | 0 | 0 | 0 |
| Apr | 7.5 | 315.3 | 122 | 0 | 0.4 | 0 |
| May | 1.1 | 11.9 | 591.8 | 0 | 21 | 0 |
| Jun | 0 | 0.2 | 626.2 | 0.1 | 5.5 | 0 |
| Jul | 0 | 0 | 242.9 | 47.4 | 0.1 | 0 |
| Aug | 0 | 0 | 101.1 | 50.2 | 0 | 3.7 |
| Sep | 0 | 0 | 13 | 33.8 | 0 | 1.6 |
| Oct | 0 | 0 | 3.7 | 2.7 | 0 | 0 |
| Nov | 0 | 0 | 0.3 | 0.1 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(5 km)