Stellenbosch pollen forecast — Idas Valley neighborhood

Today (9 August) pollen in Idas Valley, Stellenbosch is low; cypress and mugwort are low. Tomorrow (10 August 2026) levels are similar - cypress remains low, mugwort increasing. Over the following five days cypress and mugwort will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

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

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Idas Valley lies roughly 40 km east of Cape Town. Idas Valley's vegetation features native fynbos, oak, and pine as the main pollen sources, with exposure varying between these green, planted areas and more built-up parts of town. Surrounding Cape fynbos and vineyard and wine estate operations contribute a distinctive spring pollen signature each year, consistent with the broader Cape fynbos biome that shapes daily exposure across the wider Cape region.

Today - 9 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Low

    1/100

  • Eucalyptus (Myrtaceae):

    None

    0/100

  • Grass (Poaceae):

    None

    0/100

  • Oak (Quercus):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    18/100

  • Mulberry (Morus):

    None

    0/100

  • Plane (Platanus):

    None

    0/100

  • Urtica:

    None

    0/100

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):

    Low

    11/100

  • Eucalyptus (Myrtaceae):

    None

    0/100

  • Grass (Poaceae):

    None

    0/100

  • Oak (Quercus):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Medium

    30/100

  • Mulberry (Morus):

    None

    0/100

  • Plane (Platanus):

    None

    0/100

  • Urtica:

    None

    0/100

Other Landmarks in Stellenbosch

Sports venues in Stellenbosch

Frequently Asked Questions

Is pollen high in Stellenbosch right now?

On 9 August 2026, overall pollen levels in Stellenbosch are low. Artemisia is the main contributor to airborne pollen, while cypress remain at lower levels

Will pollen levels change in Stellenbosch tomorrow?

On 10 August 2026, pollen conditions in Stellenbosch will be different from today, with cypress at low levels and artemisia increasing

Is pollen expected to decrease in Stellenbosch this week?

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

Which pollen types are currently active in Stellenbosch?

On 9 August 2026, Artemisia is the dominant pollen source in Stellenbosch. cypress are also present but at lower levels. morus, myrtle, platanus, oak, and urtica are not currently active.

When is pollen season in Stellenbosch?
Idas Valley's spring unfolds in a fairly predictable order: fynbos and oak from August, grass overtaking by September and October, near vineyard and wine estate operations. A dry, windy Cape summer then keeps the rest of the year comparatively quiet for pollen. This mirrors the broader seasonal pattern seen across much of the Cape fynbos belt.
How often is the Stellenbosch pollen forecast updated?

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

Does pollen in Stellenbosch 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 Stellenbosch 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 Stellenbosch, 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 South Africa?

Check pollen in other popular cities:

Data provided by Airmine — Last update: 10 August 2026 at 02:34 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Idas Valley, Stellenbosch.

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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.