Pollen Count in Visp
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Visp, Switzerland has four main pollen seasons. Tree pollen starts in March and April. Many trees produce pollen then. It's a big problem for people.
Updated: 4/20/2026
Grass pollen season starts in May and June. Grasses release a lot of pollen. It blows in the wind. People stay inside when it's windy.
Weed pollen season starts in July and August. Weeds like ragweed produce a lot of pollen. It's usually the worst in late summer. Pollen counts are high.
Snow and cold stop pollen. Winter months have little to no pollen. Pollen starts again in spring. The cycle repeats every year in Visp.
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 Visp 🌾. 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 | 1.3 | 0 | 0 | 0 | 0 | 0 |
| Mar | 51.7 | 5.9 | 4.8 | 0 | 0 | 0 |
| Apr | 25.4 | 78.9 | 40.7 | 0 | 0.1 | 0 |
| May | 4.9 | 191.6 | 250 | 0 | 1.8 | 0 |
| Jun | 0.1 | 733.7 | 809.3 | 0 | 3.1 | 0 |
| Jul | 0 | 1.7 | 288.9 | 15.4 | 0 | 0 |
| Aug | 0 | 0.7 | 100.3 | 84 | 0 | 3.7 |
| Sep | 0 | 0 | 24.8 | 60.4 | 0 | 2.3 |
| Oct | 0 | 0 | 8 | 9.5 | 0 | 0 |
| Nov | 0 | 0 | 1.9 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(8 km)