Pollen Count in Helsingby
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Helsingby is in Finland. Pollen comes from trees, grasses, and weeds. Trees like birch, alder, and hazel make a lot of pollen. This happens in spring.
Updated: 4/14/2026
Grasses make pollen in late spring and early summer. Weeds like mugwort and nettle make pollen in summer and autumn. Pollen counts are usually highest in morning.
Birch trees make the most pollen in Helsingby. They start making pollen in late March or early April. This makes spring difficult for people.
Pollen counts go down in autumn. Winter has little to no pollen. Snow covers the ground and trees do not make pollen. This is a break.
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 Helsingby 🌾. 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 | 0.3 | 0 | 0 | 0 | 0 | 0 |
| Mar | 45.3 | 6.1 | 0 | 0 | 0 | 0 |
| Apr | 40.7 | 1631.6 | 0 | 0 | 0 | 0 |
| May | 21.7 | 7813.6 | 4.8 | 0 | 0 | 0 |
| Jun | 0 | 231.9 | 88.6 | 0 | 0 | 0 |
| Jul | 0 | 8.2 | 630.3 | 29 | 0 | 0 |
| Aug | 0 | 0 | 57.9 | 4.4 | 0 | 0 |
| Sep | 0 | 0 | 5.9 | 0 | 0 | 6.7 |
| Oct | 0 | 0 | 0.3 | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |