Pollen Count in Redon
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Redon, France has pollen seasons. Trees release pollen in spring. Oak, birch, and chestnut trees make a lot of pollen. This happens from March to May.
Updated: 2/19/2026
Grass pollen fills the air in late spring and early summer. June and July are the worst months. Grass pollen is bad for people who visit the countryside.
Weeds also make pollen. They grow in fields and along roads. Ragweed and nettle pollen are problems in late summer. August and September can be difficult.
Winter is a break from pollen. Few trees and plants make pollen then. But pollen seasons start again in March. The cycle begins 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 Redon 🌾. 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 | 30.8 | 0 | 0 | 0 | 0 | 0 |
| Mar | 150.3 | 183.7 | 1.9 | 0 | 0 | 0 |
| Apr | 4.1 | 606.2 | 46.5 | 0 | 0.2 | 0 |
| May | 0.5 | 22.6 | 437.2 | 0 | 6.2 | 0 |
| Jun | 0 | 0 | 1192.7 | 0.1 | 0.4 | 0 |
| Jul | 0 | 0 | 431.4 | 7.6 | 0 | 0 |
| Aug | 0 | 0 | 109.7 | 7.3 | 0 | 1 |
| Sep | 0 | 0 | 8.6 | 4.2 | 0 | 0.5 |
| Oct | 0 | 0 | 1.4 | 0.6 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0.2 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(50 km)