Pollen Count in Tours
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Tours, France has many types of trees, grasses, and flowers that make pollen. Pollen is in the air during spring and summer. Trees make pollen first.
Updated: 4/26/2026
In March and April, trees like oak, birch, and plane trees make a lot of pollen. This pollen is in the air for a few weeks.
Grasses make pollen in May and June. This is when people with pollen problems might feel unwell. Many grasses grow in fields and parks.
Weeds and flowers make pollen in late summer. This pollen is not as bad as the pollen from trees and grasses. By September, pollen counts are usually low.
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 Tours 🌾. 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 | 0.1 | 0 | 0 | 0 | 0 | 0 |
| Feb | 58 | 0 | 0 | 0 | 0 | 0 |
| Mar | 171.7 | 216.1 | 0.7 | 0 | 0 | 0 |
| Apr | 4.6 | 938.3 | 40.7 | 0 | 0 | 0 |
| May | 0.7 | 26.4 | 573.3 | 0 | 6.6 | 0 |
| Jun | 0 | 0.1 | 1538.2 | 0.5 | 1.6 | 0 |
| Jul | 0 | 0 | 470.7 | 66.4 | 0 | 0 |
| Aug | 0 | 0 | 113 | 113.9 | 0 | 11.6 |
| Sep | 0 | 0 | 8.4 | 50.6 | 0 | 8.3 |
| Oct | 0 | 0 | 0.7 | 5.5 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(51 km)