Alingsås pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Alingsås 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
Most tree pollen in Alingsås traces back to beech, birch, and oak stands in parks rather than the built-up centre. Because open farmland sits close to the Säveån river and its lakes, grass and crop pollen move freely across the area. Seasonal exposure in Alingsås therefore depends heavily on how close residents are to parks versus the denser city core.
The pollen calendar in Alingsås starts in February with alder, followed by a strong birch peak in May. Grass takes over from birch through the summer months of June and July. Air moving across the Säveån river and its lakes periodically clears or concentrates pollen depending on which way the wind is blowing. The tail end of the season, into August, is shaped mainly by beech forest bordering the farmland around the area.
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Frequently Asked Questions About Pollen in Västra Götaland
Is pollen high in Alingsås right now?
Currently, there is no significant pollen in Alingsås.
Will pollen levels change in Alingsås tomorrow?
On 21 September 2026, pollen conditions in Alingsås will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Alingsås this week?
According to the five-day outlook, pollen levels are expected to remain relatively stable.
Which pollen types are currently active in Alingsås?
On 20 September 2026, there are no significant pollen types in Alingsås.
When is pollen season in Alingsås?
How often is the Alingsås pollen forecast updated?
The Alingsås pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Alingsås 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 Alingsås 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 Alingsås, 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).
