Ridderkerk pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Ridderkerk is high; mugwort is high; grass is medium. Tomorrow (10 August 2026) levels are similar - mugwort declining. Over the following five days grass and mugwort will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

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Ridderkerk's parks and green spaces are dominated by oak, birch, and linden as the main tree pollen sources, and levels shift depending on how close residents are to parks versus the built-up core. the Nieuwe Maas and Noord rivers and the surrounding Zuid-Holland farmland add substantial grass and tree pollen to the mix, especially given Ridderkerk's role as a river-delta industrial town.

Today - 9 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Medium

    31/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    High

    70/100

High pollen levels may trigger sneezing, itchy eyes, and congestion. Airmine's neighbourhood estimates use satellites to map local vegetation and a statistical prediction model, updated four times daily.

Tomorrow - 10 August

  • 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):

    Medium

    49/100

Air quality in Ridderkerk

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Frequently Asked Questions

Is pollen high in Ridderkerk right now?

On 9 August 2026, overall pollen levels in Ridderkerk are high. Artemisia is the main contributor to airborne pollen, while grass remain at lower levels

Will pollen levels change in Ridderkerk tomorrow?

On 10 August 2026, pollen conditions in Ridderkerk will be different from today, with artemisia continuing to decline

Is pollen expected to decrease in Ridderkerk this week?

According to the five-day outlook, grass and artemisia pollen levels will increase later in the week.

Which pollen types are currently active in Ridderkerk?

On 9 August 2026, Artemisia is the dominant pollen source in Ridderkerk. grass are also present but at lower levels. willow, hazel, and cypress are not currently active.

When is pollen season in Ridderkerk?
Ridderkerk sees its first pollen of the year from hazel and alder in January, with birch taking the lead through April and the season extending to August. Oak and ash step in during April and May, after which grass becomes the standout source over June and July. The presence of the Nieuwe Maas and Noord rivers nearby affects how pollen moves through the air, and the Rotterdam port hinterland is a distinctive feature of the Ridderkerk area.
How often is the Ridderkerk pollen forecast updated?

The Ridderkerk pollen forecast is updated four times daily. See the timestamp below for the most recent update.

Does pollen in Ridderkerk 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 Ridderkerk 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 Ridderkerk, 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.

Want to see pollen forecasts for other cities in Netherlands?

Almere Amsterdam Breda Eindhoven Groningen Nijmegen Rotterdam The Hague Tilburg Utrecht

Check pollen in other popular cities:

Melton Rio de Janeiro Copenhagen Athens Denpasar Rome Cape Town Barcelona London Los Angeles New York

Data provided by Airmine — Last update: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Ridderkerk.

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Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.

Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.