Ski pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Ski 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
Ski is a small Akershus town in Nordre Follo municipality southeast of Oslo where birch, hazel, and farmland edge woodland are the main local pollen sources. The relatively flat southeastern Norwegian landscape allows pollen to disperse, while the Oslo metropolitan area climate advances the season slightly and birch peaks through April and May before grass from surrounding farmland contributes through June and July and mugwort extends into September throughout this Oslo suburban community.
Ski typically experiences a pollen season that runs its course from February to August, led in by alder and hazel already by February, with birch soon overtaking as the main source before easing after May. Grass pollen then carries the season into the following June and July. With the suburban parks and nearby farmland around Ski, the local climate means residents often notice a slightly different pattern than official averages suggest.
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Frequently Asked Questions About Pollen in Akershus
Is pollen high in Ski right now?
Currently, there is no significant pollen in Ski.
Will pollen levels change in Ski tomorrow?
On 21 September 2026, pollen conditions in Ski will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Ski this week?
According to the five-day outlook, pollen levels are expected to remain relatively stable.
Which pollen types are currently active in Ski?
On 20 September 2026, there are no significant pollen types in Ski.
When is pollen season in Ski?
How often is the Ski pollen forecast updated?
The Ski pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Ski 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 Ski 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 Ski, 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).
