Vredenburg pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Vredenburg is moderate; mugwort and nettle are moderate; cypress, eucalyptus, mulberry, and plane are low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week cypress, eucalyptus, grass, mugwort, mulberry, plane, and nettle will increase; oak 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) | Low | 13/100 |
| Eucalyptus (Myrtaceae) | Low | 10/100 |
| Grass (Poaceae) | None | 0/100 |
| Oak (Quercus) | None | 0/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Moderate | 33/100 |
| Mulberry (Morus) | Low | 12/100 |
| Plane (Platanus) | Low | 10/100 |
| Nettle (Urtica) | Moderate | 31/100 |
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) | Low | 10/100 | |
| Eucalyptus (Myrtaceae) | Low | 8/100 | |
| Grass (Poaceae) | None | 0/100 | |
| Oak (Quercus) | None | 0/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Moderate | 30/100 | |
| Mulberry (Morus) | Low | 9/100 | |
| Plane (Platanus) | Low | 7/100 | |
| Nettle (Urtica) | Moderate | 29/100 |
Local Environmental Conditions
Vredenburg lies roughly 120 km north-northwest of Cape Town. Fynbos scrub, introduced oak, and pine dominate the vegetation around Vredenburg, with exposure varying between fynbos-covered slopes and more built-up residential or commercial areas. The surrounding fishing, farming, and small-harbour activity adds to the vegetation mix, while the region's dry summer keeps overall pollen levels comparatively low, consistent with the broader Cape fynbos biome.
Vredenburg's pollen season follows the Cape's winter-rainfall pattern, running from August through November. Fynbos and oak open the season, with grass peaking through September and October. The Mediterranean climate and the surrounding fishing, farming, and small-harbour activity concentrate the season into a short spring window, and Cape winds frequently disperse pollen, a pattern typical of the broader Cape fynbos biome.
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Frequently Asked Questions About Pollen in Western Cape
Is pollen high in Vredenburg right now?
On 20 September 2026, overall pollen levels in Vredenburg are moderate. Urtica is the main contributor to airborne pollen, while artemisia, cypress, morus, myrtle, and platanus remain at lower levels
Will pollen levels change in Vredenburg tomorrow?
On 21 September 2026, pollen conditions in Vredenburg will be similar to today, with urtica at moderate levels, artemisia at moderate levels, cypress at low levels, morus at low levels, myrtle at low levels, platanus at low levels
Is pollen expected to decrease in Vredenburg this week?
According to the five-day outlook, urtica, artemisia, cypress, morus, myrtle, platanus, and grass pollen levels will increase later in the week.
Which pollen types are currently active in Vredenburg?
On 20 September 2026, Urtica is the dominant pollen source in Vredenburg. artemisia, cypress, morus, myrtle, and platanus are also present but at lower levels. oak and grass are not currently active.
When is pollen season in Vredenburg?
How often is the Vredenburg pollen forecast updated?
The Vredenburg pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Vredenburg 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 Vredenburg 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 Vredenburg, 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).
