Norrköping pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Norrköping 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
Norrköping's parks and the Motala River corridor feature birch, oak, and linden as the main tree pollen sources, with exposure varying between these green areas and the more built-up city centre. Surrounding Östergötland farmland and the flat, open Swedish landscape contribute substantial grass and crop pollen, while the continental climate means a pronounced spring pollen season with birch peaking strongly through April and May.
Norrköping's pollen season runs from February through August, opening with alder from February before birch peaks strongly through May. Grass follows through June and July. The Motala River valley channels airflows and concentrates pollen, while surrounding Östergötland farmland extends grass and crop pollen into August. The continental climate produces a well-defined seasonal progression with birch being particularly significant through April and May.
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Frequently Asked Questions About Pollen in Östergötland
Is pollen high in Norrköping right now?
Currently, there is no significant pollen in Norrköping.
Will pollen levels change in Norrköping tomorrow?
On 21 September 2026, pollen conditions in Norrköping will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Norrköping this week?
According to the five-day outlook, pollen levels are expected to remain relatively stable.
Which pollen types are currently active in Norrköping?
On 20 September 2026, there are no significant pollen types in Norrköping.
When is pollen season in Norrköping?
How often is the Norrköping pollen forecast updated?
The Norrköping pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Norrköping 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 Norrköping 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 Norrköping, 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).
