Pollen Count in Corsica
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In late winter and early spring, Corsica and nearby parts of Italy begin to warm. Trees like alder, cypress, and hazel release pollen first. Olive trees also start later in spring. The air can feel full of tiny yellow grains.
Updated: 8/3/2026
In spring, pollen is often strongest. Olive trees are very important in Corsica and Italy. Grasses also begin to grow and spread pollen. Oak, pine, and plane trees may add more pollen as the days get warmer and longer.
In early summer, grass pollen can stay high. Many fields and roadsides have grasses that flower now. Pine trees still release some pollen, but less than before. In warm, dry weather, pollen can stay in the air for many hours.
In late summer and early autumn, pollen levels usually drop. A few plants still release pollen, such as nettles, mugwort, and ragweed in some places. By late autumn and winter, most plants rest, and pollen in the air becomes much lower.
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 Corsica 🌾. 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 | 0.7 | 0 | 0 | 0 | 0 | 0 |
| Feb | 14.1 | 0 | 0 | 0 | 0 | 0 |
| Mar | 74.4 | 28.1 | 8.1 | 0 | 0 | 0 |
| Apr | 55.9 | 116.2 | 67.2 | 0 | 6.7 | 0 |
| May | 1.8 | 22 | 580.4 | 0 | 338.6 | 0 |
| Jun | 0.5 | 14.8 | 765.1 | 0 | 489.5 | 0 |
| Jul | 0 | 0.1 | 214.9 | 0.7 | 1 | 0.9 |
| Aug | 0 | 0 | 57.1 | 16.5 | 0 | 63.8 |
| Sep | 0 | 0 | 7.6 | 5.3 | 0 | 22 |
| Oct | 0 | 0 | 1.2 | 0.9 | 0 | 0.1 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(6 km)