Drøbak pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Drøbak 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
Drøbak is a small Akershus coastal town in Frogn municipality at the narrowest point of the Oslofjord where birch, hazel, and coastal woodland are the main local pollen sources. The Oslofjord position means onshore winds can periodically disperse pollen, while the mild Oslo metropolitan coastal climate advances the season slightly compared to more inland eastern Norway and birch peaks through April and May before grass contributes through June and July and mugwort extends into September.
Across Drøbak, the pollen season is bookended by February and August, opening gently with alder and hazel in February, with birch building to the season's sharpest peak into May. Grass pollen picks up next extending across June and July. With the moderating effect of the Oslofjord on the local climate near Drøbak, the local climate leaves this area with a noticeably local twist on the general pattern.
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Frequently Asked Questions About Pollen in Akershus
Is pollen high in Drøbak right now?
Currently, there is no significant pollen in Drøbak.
Will pollen levels change in Drøbak tomorrow?
On 21 September 2026, pollen conditions in Drøbak will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Drøbak this week?
According to the five-day outlook, pollen levels are expected to remain relatively stable.
Which pollen types are currently active in Drøbak?
On 20 September 2026, there are no significant pollen types in Drøbak.
When is pollen season in Drøbak?
How often is the Drøbak pollen forecast updated?
The Drøbak pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Drøbak 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 Drøbak 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 Drøbak, 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).
