Heist-op-den-Berg pollen forecast - today, tomorrow and the week ahead

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

Get the full experience in the Airmine app.

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.

Vegetation patterns around Heist-op-den-Berg reflect its setting on the Campine plain in Antwerp province: oak and hornbeam lead the tree pollen count, and grass and nettle pollen from the surrounding Antwerpen countryside adds a further layer through the season. Local parks and street trees create pockets of higher exposure near the greener parts of 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):

    Low

    17/100

  • 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):

    High

    53/100

Air quality in Heist-op-den-Berg

View air quality

Frequently Asked Questions

Is pollen high in Heist-op-den-Berg right now?

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

Will pollen levels change in Heist-op-den-Berg tomorrow?

On 10 August 2026, pollen conditions in Heist-op-den-Berg will be different from today, with artemisia at high levels

Is pollen expected to decrease in Heist-op-den-Berg this week?

According to the five-day outlook, artemisia pollen levels are expected to gradually decrease, while grass pollen will increase, suggesting mixed conditions later in the week.

Which pollen types are currently active in Heist-op-den-Berg?

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

When is pollen season in Heist-op-den-Berg?
Heist-op-den-Berg follows a pattern typical of Antwerpen: hazel and alder first, then oak and hornbeam over the following weeks, then grass and nettle pollen into early summer, running January to August overall. ragweed adds a modest late-season tail in areas near farmland.
How often is the Heist-op-den-Berg pollen forecast updated?

The Heist-op-den-Berg pollen forecast is updated four times daily. See the timestamp below for the most recent update.

Does pollen in Heist-op-den-Berg 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 Heist-op-den-Berg 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 Heist-op-den-Berg, 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 Belgium?

Check pollen in other popular cities:

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 Heist-op-den-Berg.

Get the full experience in the Airmine app.

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.