Pollen Count in Grorudhagen
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Grorudalen gets lots of pollen in spring. Trees like birch and pine make pollen. It floats in air and makes people feel sick.
Updated: 2/12/2026
Birch trees start making pollen in March. They make a lot of pollen. It's white and fluffy. It covers cars and streets.
Grass pollen comes in May. Grasses grow in parks and fields. They make yellow pollen. It fills the air on warm days.
People stay inside on bad days. They close windows. Pollen counts are high then. Outside is hard for people with problems.
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 Grorudhagen 🌾. 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 | 0 | 0 | 0 | 0 | 0 |
| Mar | 5.4 | 6.6 | 0 | 0 | 0 | 0 |
| Apr | 4.1 | 775.6 | 0.1 | 0 | 0 | 0 |
| May | 0.5 | 3658 | 8.4 | 0 | 0 | 0 |
| Jun | 0 | 5.9 | 221.3 | 0.1 | 0 | 0 |
| Jul | 0 | 0 | 169 | 78 | 0 | 0 |
| Aug | 0 | 0 | 13.9 | 117 | 0 | 0.3 |
| Sep | 0 | 0 | 0.4 | 0.5 | 0 | 17.9 |
| Oct | 0 | 0 | 0 | 0 | 0 | 0 |
| Nov | 0 | 0 | 0 | 0 | 0 | 0 |
| Dec | 0 | 0 | 0 | 0 | 0 | 0 |
(9 km)