Indre Fosen kommune pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Indre Fosen kommune 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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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
Spread across the Fosen peninsula facing the outer Trondheimsfjord, Indre Fosen opens the pollen season with alder from February before birch peaks through April and May. Grass from surrounding farmland peaks through June and July before mugwort extends exposure into September. The outer Trondheimsfjord position means onshore winds can periodically disperse pollen, while the Atlantic-influenced Trøndelag climate provides frequent rainfall interruptions throughout this large peninsula municipality.
Indre Fosen kommune's pollen season runs from March through August, with alder and hazel arriving first from the start of March, before the season's main birch surge arrives continuing right through May. From there, grass pollen continues into the following June and July. With the sheltered inland stretches of Trøndelag near Indre Fosen kommune, the local climate means local conditions can matter as much as the calendar month itself.
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Frequently Asked Questions About Pollen in Trøndelag
Is pollen high in Indre Fosen kommune right now?
Currently, there is no significant pollen in Indre Fosen kommune.
Will pollen levels change in Indre Fosen kommune tomorrow?
On 21 September 2026, pollen conditions in Indre Fosen kommune will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Indre Fosen kommune this week?
According to the five-day outlook, pollen levels are expected to remain relatively stable.
Which pollen types are currently active in Indre Fosen kommune?
On 20 September 2026, there are no significant pollen types in Indre Fosen kommune.
When is pollen season in Indre Fosen kommune?
How often is the Indre Fosen kommune pollen forecast updated?
The Indre Fosen kommune pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Indre Fosen 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 Indre Fosen 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 Indre Fosen 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).
