Pollen Count in Lausanne
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Lausanne, Switzerland has a temperate climate with four distinct seasons. Spring brings blooming trees and grasses, which can lead to a higher pollen count.
Updated: 2/11/2026
Summer in Lausanne is generally mild with occasional heatwaves, but the pollen count remains moderate due to lower grass pollen levels.
Autumn sees falling leaves and cooler temperatures, resulting in a decrease in pollen count. Winter in Lausanne is cold and snowy, with minimal pollen production, providing relief for allergy sufferers. However, indoor allergens like dust mites and mold may still be present.
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 Lausanne 🌾. 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 | 20 | 0 | 0 | 0 | 0 | 0 |
| Mar | 24.1 | 138.3 | 0.1 | 0 | 0 | 0 |
| Apr | 4.1 | 1265.9 | 39.6 | 0 | 0.2 | 0 |
| May | 1.2 | 143.9 | 449.1 | 0 | 3.3 | 0 |
| Jun | 0 | 13.6 | 1441.9 | 0.1 | 4.8 | 0 |
| Jul | 0 | 0 | 475.8 | 17.3 | 0 | 0 |
| Aug | 0 | 0 | 108.6 | 43.5 | 0 | 17.8 |
| Sep | 0 | 0 | 9.9 | 24.5 | 0 | 15.6 |
| Oct | 0 | 0 | 1 | 3.1 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
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