Pollen Count in Concarneau
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Concarneau, France has pollen seasons. Trees release pollen in spring, usually March and April. This makes eyes itch and noses run for some people.
Updated: 3/19/2026
Grasses release pollen in late spring and early summer. May and June are the worst months. People stay indoors when pollen counts are high.
Weeds and plants release pollen in late summer and early fall. August and September are still warm, but pollen is in the air.
Winter is quiet, with little pollen. But as soon as weather warms up, trees start releasing pollen again. The cycle starts over.
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 Concarneau 🌾. 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 | 18.7 | 0 | 0 | 0 | 0 | 0 |
| Mar | 132 | 139.3 | 1.3 | 0 | 0 | 0 |
| Apr | 5.3 | 695.8 | 21.2 | 0 | 0.2 | 0 |
| May | 0.3 | 25.9 | 122.5 | 0 | 2.9 | 0 |
| Jun | 0 | 0 | 321.7 | 0.1 | 0.5 | 0 |
| Jul | 0 | 0 | 196.6 | 11.5 | 0 | 0 |
| Aug | 0 | 0 | 58.6 | 12.5 | 0 | 1 |
| Sep | 0 | 0 | 3.7 | 6.2 | 0 | 0.1 |
| Oct | 0 | 0 | 1.1 | 0.6 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0.1 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(18 km)