Ieper pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Ieper is moderate; mugwort is moderate.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week mugwort will increase; cypress, grass, and willow 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) | Moderate | 46/100 |
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) | Moderate | 41/100 |
Local Environmental Conditions
As part of West-Vlaanderen, Ieper lies on the flat Flemish polder plain and sees birch and plane as its main tree pollen contributors; grass builds from the surrounding countryside as spring advances. The town's mix of open and built-up ground means exposure is rarely uniform across the area.
The pollen calendar in Ieper runs January to August: hazel and alder first, a birch and plane peak through the middle stretch, then grass carrying things into summer. a mild late-season tail from ragweed lingers near open countryside. Ieper's location on the flat Flemish polder plain tends to soften the tail end of the season.
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Frequently Asked Questions About Pollen in West-Vlaanderen
Is pollen high in Ieper right now?
On 20 September 2026, overall pollen levels in Ieper are moderate. Artemisia is the main contributor to airborne pollen
Will pollen levels change in Ieper tomorrow?
On 21 September 2026, pollen conditions in Ieper will be similar to today, with artemisia at moderate levels
Is pollen expected to decrease in Ieper this week?
According to the five-day outlook, artemisia pollen levels will increase later in the week.
Which pollen types are currently active in Ieper?
On 20 September 2026, Artemisia is the dominant pollen source in Ieper. willow, cypress, and grass are not currently active.
When is pollen season in Ieper?
How often is the Ieper pollen forecast updated?
The Ieper pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Ieper 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 Ieper 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 Ieper, 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. |
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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).
