Vanrhynsdorp pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Vanrhynsdorp is moderate; mugwort and nettle are moderate; cypress, eucalyptus, grass, 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 | 25/100 |
| Eucalyptus (Myrtaceae) | Low | 19/100 |
| Grass (Poaceae) | Low | 18/100 |
| Oak (Quercus) | None | 0/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Moderate | 33/100 |
| Mulberry (Morus) | Low | 24/100 |
| Plane (Platanus) | Low | 19/100 |
| Nettle (Urtica) | Moderate | 32/100 |
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 | 20/100 | |
| Eucalyptus (Myrtaceae) | Low | 14/100 | |
| Grass (Poaceae) | Low | 13/100 | |
| Oak (Quercus) | None | 0/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Moderate | 28/100 | |
| Mulberry (Morus) | Low | 19/100 | |
| Plane (Platanus) | Low | 14/100 | |
| Nettle (Urtica) | Moderate | 28/100 |
Local Environmental Conditions
Vanrhynsdorp lies roughly 260 km north of Cape Town. Vanrhynsdorp's semi-arid Karoo setting features camel thorn acacia, hardy scrub, and sparse grassland as the main pollen sources, with exposure varying between limited irrigated green spaces and the more open, arid surrounding landscape shaped by sheep farming and small-town activity, consistent with the wider semi-arid Karoo landscape that shapes daily exposure across the surrounding plains.
Karoo scrub and acacia mark a brief pollen season at Vanrhynsdorp from August through October, tied closely to the spring growing period after the dry winter. The area's sheep farming and small-town activity and generally low rainfall mean pollen stays low outside this narrow window most years, a pattern typical of the wider semi-arid Karoo interior.
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Frequently Asked Questions About Pollen in Western Cape
Is pollen high in Vanrhynsdorp right now?
On 20 September 2026, overall pollen levels in Vanrhynsdorp are moderate. Urtica is the main contributor to airborne pollen, while artemisia, cypress, morus, myrtle, platanus, and grass remain at lower levels
Will pollen levels change in Vanrhynsdorp tomorrow?
On 21 September 2026, pollen conditions in Vanrhynsdorp 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, grass at low levels
Is pollen expected to decrease in Vanrhynsdorp 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 Vanrhynsdorp?
On 20 September 2026, Urtica is the dominant pollen source in Vanrhynsdorp. artemisia, cypress, morus, myrtle, platanus, and grass are also present but at lower levels. oak are not currently active.
When is pollen season in Vanrhynsdorp?
How often is the Vanrhynsdorp pollen forecast updated?
The Vanrhynsdorp pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Vanrhynsdorp 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 Vanrhynsdorp 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 Vanrhynsdorp, 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).
