Silvalen pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Silvalen is none
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week cypress, grass, willow, and mugwort will remain stable.
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Features and forecast availability vary by region.
Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Alder (Alnus) | None | 0/100 |
| Birch (Betula) | None | 0/100 |
| Hazel (Corylus) | None | 0/100 |
| Cypress (Cupressaceae) | None | 0/100 |
| Grass (Poaceae) | None | 0/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Alder (Alnus) | None | 0/100 | — |
| Birch (Betula) | None | 0/100 | — |
| Hazel (Corylus) | None | 0/100 | — |
| Cypress (Cupressaceae) | None | 0/100 | |
| Grass (Poaceae) | None | 0/100 | |
| Willow (Salicaceae) | None | 0/100 | |
| Mugwort (Artemisia) | None | 0/100 |
Local Environmental Conditions
Silvalen is a small Nordland valley village in Hattfjelldal municipality in the Hattfjelldal valley where birch, hazel, and boreal valley woodland are the main local pollen sources. The enclosed inland Nordland valley concentrates pollen under calm conditions, while the subarctic continental setting means birch peaks intensely through May before grass contributes through June and July and the season ends earlier than in southern Norway throughout this remote border valley community.
Pollen in Silvalen stretches from March through August, with alder and hazel marking the early stage from the start of March, before birch takes over with a strong peak through June. From there, grass pollen continues for June and July. With the open Norwegian Sea exposure just offshore from Silvalen, the local climate means pollen levels here don't always follow the national pattern exactly.
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Frequently Asked Questions About Pollen in Nordland
Is pollen high in Silvalen right now?
Currently, there is no significant pollen in Silvalen.
Will pollen levels change in Silvalen tomorrow?
On 21 September 2026, pollen conditions in Silvalen will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Silvalen this week?
According to the five-day outlook, pollen levels are expected to remain relatively stable.
Which pollen types are currently active in Silvalen?
On 20 September 2026, there are no significant pollen types in Silvalen.
When is pollen season in Silvalen?
How often is the Silvalen pollen forecast updated?
The Silvalen pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Silvalen come from nearby or far away?
Studies show that most pollen exposure (often 70–90%) comes from nearby sources, such as local trees and vegetation. A good pollen forecast therefore depends on accurately representing local vegetation. Pollen can travel long distances, but this usually matters only early in the season or during specific wind events.
Are pollen levels in Silvalen based on measurements or forecasts?
Pollen data is often misunderstood. Most "pollen levels" are not real-time measurements, but forecasts.
Direct pollen measurements are typically delayed by 1-2 days because they require manual analysis. To show current conditions in Silvalen, modern forecasts combine recent measurements, weather data, and information about local vegetation.
This allows us to estimate pollen levels for today and the coming days, not just report the past.
Airmine’s atmospheric monitoring platform was developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team, using satellite and Earth observation technologies to improve emissions monitoring.
Understanding the Scale
The 0–100 scores represent risk levels, not direct measurements of pollen or air pollutant concentrations. Higher scores indicate higher risk. Pollen and air quality use different thresholds.
Pollen
| None | 0 | No or negligible risk of exposure. Pollen/mold exposure is expected to be minimal. |
| Low | 0-25 | Low risk of exposure. Small amounts of pollen or mold spores may be present. |
| Moderate | 25-50 | Moderate risk of exposure. Pollen/mold exposure is expected to be noticeable. |
| High | 50-75 | High risk of exposure. Elevated pollen/mold exposure is expected. |
| Very High | 75-100 | Very high risk of exposure. Pollen/mold exposure is expected to be at or near its highest levels. |
Get More in the Airmine Pollen app
Get 15-day pollen forecasts with morning, afternoon and evening detail, plus 5-day air quality forecasts. Explore interactive pollen risk maps, estimated pollen season start, route profiles and a symptoms diary.
Features and forecast availability vary by region. Currently covering Europe, the contiguous US, southern Canada, South Africa, Australia, Indonesia (Java & Bali), Brazil, Paraguay, Uruguay and the Buenos Aires area.
Developed with support from the European Space Agency (ESA) Business Applications and Space Solutions (BASS).
