Scheveningen pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Scheveningen is moderate; mugwort is moderate.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week grass and mugwort will increase; cypress and willow 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) | Moderate | 26/100 |
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 | 30/100 |
Local Environmental Conditions
Scheveningen's North Sea coastal dune landscape and the Zuider Park feature oak, birch, and marram grass as the main pollen sources, with exposure varying between the exposed coastal dune areas and the more built-up resort centre. Surrounding South Holland farmland and the Westland greenhouse horticulture area contribute additional pollen, while strong onshore North Sea winds frequently disperse pollen across the coastal resort.
Scheveningen's pollen season runs from January through August, opening with hazel and alder from January before birch peaks through April and May. Grass pollen peaks through June and July. The exposed North Sea coastal position means strong onshore winds frequently disperse pollen, while surrounding South Holland farmland extends grass and crop pollen into August. The dry coastal climate provides fewer rainfall interruptions than inland areas.
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Frequently Asked Questions About Pollen in Zuid-Holland
Is pollen high in Scheveningen right now?
On 20 September 2026, overall pollen levels in Scheveningen are moderate. Artemisia is the main contributor to airborne pollen
Will pollen levels change in Scheveningen tomorrow?
On 21 September 2026, pollen conditions in Scheveningen will be similar to today, with artemisia at moderate levels
Is pollen expected to decrease in Scheveningen this week?
According to the five-day outlook, artemisia and grass pollen levels will increase later in the week.
Which pollen types are currently active in Scheveningen?
On 20 September 2026, Artemisia is the dominant pollen source in Scheveningen. cypress, grass, and willow are not currently active.
When is pollen season in Scheveningen?
How often is the Scheveningen pollen forecast updated?
The Scheveningen pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Scheveningen 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 Scheveningen 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 Scheveningen, 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).
