Fish Hoek pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Fish Hoek is moderate; mugwort and nettle are moderate; cypress, eucalyptus, grass, and mulberry are low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week cypress, mugwort, mulberry, and nettle will increase; eucalyptus and grass will decrease; oak and plane 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 | 16/100 |
| Eucalyptus (Myrtaceae) | Low | 10/100 |
| Grass (Poaceae) | Low | 8/100 |
| Oak (Quercus) | None | 0/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Moderate | 42/100 |
| Mulberry (Morus) | Low | 13/100 |
| Plane (Platanus) | None | 0/100 |
| Nettle (Urtica) | Moderate | 48/100 |
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 | 16/100 | |
| Eucalyptus (Myrtaceae) | Low | 10/100 | |
| Grass (Poaceae) | Low | 8/100 | |
| Oak (Quercus) | None | 0/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Moderate | 41/100 | |
| Mulberry (Morus) | Low | 13/100 | |
| Plane (Platanus) | None | 0/100 | |
| Nettle (Urtica) | Moderate | 49/100 |
Local Environmental Conditions
Acacia and eucalyptus line the water's edge, releasing pollen that carries easily on the wind, nearby. Nearby, not far from here, a stretch of mown parkland where turf and ornamental trees feed local grass and ragweed pollen. Small shifts in elevation or soil type can move these figures a little either way.
Along the waterway, acacia and eucalyptus release pollen first, starting well before the main spring rush, topping out around September. As spring turns to summer, grass pollen rises toward its December high, then gives way to ragweed, which drives the season's second major surge from mid-February into April. Local weather swings can shift these windows slightly, but the overall order tends to hold.
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Frequently Asked Questions About Pollen in Western Cape
Is pollen high in Fish Hoek right now?
On 20 September 2026, overall pollen levels in Fish Hoek are moderate. Urtica is the main contributor to airborne pollen, while artemisia, cypress, morus, myrtle, and grass remain at lower levels
Will pollen levels change in Fish Hoek tomorrow?
On 21 September 2026, pollen conditions in Fish Hoek will be similar to today, with cypress at low levels, morus at low levels, myrtle at low levels, grass at low levels, urtica at moderate levels, artemisia at moderate levels
Is pollen expected to decrease in Fish Hoek this week?
According to the five-day outlook, myrtle and grass pollen levels are expected to gradually decrease, while cypress, morus, urtica, and artemisia pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Fish Hoek?
On 20 September 2026, Urtica is the dominant pollen source in Fish Hoek. artemisia, cypress, morus, myrtle, and grass are also present but at lower levels. platanus and oak are not currently active.
When is pollen season in Fish Hoek?
How often is the Fish Hoek pollen forecast updated?
The Fish Hoek pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Fish Hoek 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 Fish Hoek 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 Fish Hoek, 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).
