Bjugn pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Bjugn is low; mugwort is low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week mugwort will decrease; 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 | 14/100 |
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) | Low | 10/100 |
Local Environmental Conditions
Bjugn is a small Trøndelag coastal village in Ørland municipality on the Fosen peninsula where birch, alder, and coastal farmland vegetation are the main local pollen sources. The Trondheim Fjord outer coastal position means onshore winds can periodically disperse pollen, while the Atlantic-influenced Trøndelag climate provides frequent rainfall interruptions and birch peaks through April and May before grass contributes through June and July throughout.
The annual pollen season around Bjugn gets underway in March and lasts through August, with alder and hazel setting things in motion already by March, followed by a sharp birch peak and staying strong through May. Grass pollen picks up next through June and July. With the fjord-and-farmland mix that defines this part of Trøndelag, the local climate shapes a locally distinct version of the broader Norwegian pollen season.
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Frequently Asked Questions About Pollen in Trøndelag
Is pollen high in Bjugn right now?
On 20 September 2026, overall pollen levels in Bjugn are low. Artemisia is the main contributor to airborne pollen
Will pollen levels change in Bjugn tomorrow?
On 21 September 2026, pollen conditions in Bjugn will be similar to today, with artemisia at low levels
Is pollen expected to decrease in Bjugn this week?
According to the five-day outlook, artemisia pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Bjugn?
On 20 September 2026, Artemisia is the dominant pollen source in Bjugn. grass, willow, and cypress are not currently active.
When is pollen season in Bjugn?
How often is the Bjugn pollen forecast updated?
The Bjugn pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Bjugn 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 Bjugn 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 Bjugn, 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. |
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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).
