Humansdorp pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Humansdorp is moderate; cypress, mugwort, mulberry, and nettle are moderate; eucalyptus and grass are low.
Pollen Tomorrow
Tomorrow (21 September 2026) cypress remains moderate, eucalyptus remains low, grass remains low, mugwort remains moderate, nettle remains moderate, mulberry declining.
7-Day Trend
Over the next week cypress, eucalyptus, grass, mugwort, mulberry, and nettle will increase; 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) | Moderate | 43/100 |
| Eucalyptus (Myrtaceae) | Low | 23/100 |
| Grass (Poaceae) | Low | 10/100 |
| Oak (Quercus) | None | 0/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Moderate | 50/100 |
| Mulberry (Morus) | Moderate | 30/100 |
| Plane (Platanus) | None | 0/100 |
| Nettle (Urtica) | Moderate | 50/100 |
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) | Moderate | 35/100 | |
| Eucalyptus (Myrtaceae) | Low | 16/100 | |
| Grass (Poaceae) | Low | 3/100 | |
| Oak (Quercus) | None | 0/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Moderate | 49/100 | |
| Mulberry (Morus) | Low | 23/100 | |
| Plane (Platanus) | None | 0/100 | |
| Nettle (Urtica) | Moderate | 50/100 |
Local Environmental Conditions
Humansdorp lies roughly 80 km west of Gqeberha. Port Jackson wattle, acacia, and thicket vegetation characterise the area around Humansdorp, with exposure varying between wooded valleys and more built-up parts of town. The district's mixed farming and light industrial activity contributes to a landscape shaped by the region's transitional rainfall pattern, consistent with this transitional Eastern Cape vegetation zone that shapes daily exposure across the wider district.
Humansdorp's pollen calendar starts in July with acacia and Port Jackson wattle, before Eastern Cape thicket and grass take over through September and October. The area's mixed farming and light industrial activity and its position between two rainfall regimes produce a season that rarely spikes sharply in either direction, a pattern typical of this transitional Eastern Cape climate zone.
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Frequently Asked Questions About Pollen in Eastern Cape
Is pollen high in Humansdorp right now?
On 20 September 2026, overall pollen levels in Humansdorp 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 Humansdorp tomorrow?
On 21 September 2026, pollen conditions in Humansdorp will be different from today, with urtica at moderate levels, artemisia at moderate levels, cypress at moderate levels, myrtle at low levels, grass at low levels and morus continuing to decline
Is pollen expected to decrease in Humansdorp this week?
According to the five-day outlook, urtica, artemisia, cypress, morus, myrtle, and grass pollen levels will increase later in the week.
Which pollen types are currently active in Humansdorp?
On 20 September 2026, Urtica is the dominant pollen source in Humansdorp. 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 Humansdorp?
How often is the Humansdorp pollen forecast updated?
The Humansdorp pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Humansdorp 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 Humansdorp 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 Humansdorp, 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).
