Hadsel kommune pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Hadsel kommune is low; mugwort is low.
Pollen Tomorrow
Tomorrow (21 September 2026) mugwort no longer expected.
7-Day Trend
Over the next week mugwort will increase; cypress, grass, and willow will remain stable.
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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) | Low | 9/100 |
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
Stretched across several Vesterålen islands, Hadsel opens the pollen season with alder from March before birch peaks through May. Grass from surrounding island farmland peaks through June and July, while the Norwegian Sea island position means onshore winds can frequently disperse pollen and the subarctic Atlantic climate produces a compressed season with regular rainfall interruptions throughout.
Pollen in Hadsel kommune spans March through August, led in by alder and hazel from the start of March, followed by a sharp birch peak into June. Grass pollen picks up next for June and July. With the exposed coastline and frequent sea winds around Hadsel kommune, the local climate gives the season here a somewhat different character than nearby districts.
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Frequently Asked Questions About Pollen in Nordland
Is pollen high in Hadsel kommune right now?
On 20 September 2026, overall pollen levels in Hadsel kommune are low. Artemisia is the main contributor to airborne pollen
Will pollen levels change in Hadsel kommune tomorrow?
On 21 September 2026, pollen conditions in Hadsel kommune will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Hadsel kommune this week?
According to the five-day outlook, artemisia pollen levels will increase later in the week.
Which pollen types are currently active in Hadsel kommune?
On 20 September 2026, Artemisia is the dominant pollen source in Hadsel kommune. cypress, grass, and willow are not currently active.
When is pollen season in Hadsel kommune?
How often is the Hadsel kommune pollen forecast updated?
The Hadsel kommune pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Hadsel kommune 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 Hadsel kommune 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 Hadsel kommune, 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).
