Graskop pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Graskop is moderate; cypress, mugwort, mulberry, and plane are moderate; eucalyptus and oak are low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week oak will increase; cypress, eucalyptus, mugwort, mulberry, and plane will decrease; grass and nettle 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 | 50/100 |
| Eucalyptus (Myrtaceae) | Low | 15/100 |
| Grass (Poaceae) | None | 0/100 |
| Oak (Quercus) | Low | 21/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Moderate | 34/100 |
| Mulberry (Morus) | Moderate | 50/100 |
| Plane (Platanus) | Moderate | 42/100 |
| Nettle (Urtica) | None | 0/100 |
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 | 50/100 | |
| Eucalyptus (Myrtaceae) | Low | 15/100 | |
| Grass (Poaceae) | None | 0/100 | |
| Oak (Quercus) | Low | 22/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Moderate | 34/100 | |
| Mulberry (Morus) | Moderate | 50/100 | |
| Plane (Platanus) | Moderate | 43/100 | |
| Nettle (Urtica) | None | 0/100 |
Local Environmental Conditions
Graskop lies roughly 60 km north-northwest of Nelspruit. Graskop's savanna vegetation is dominated by acacia and mopane trees, interspersed with grassland that expands once the summer rains arrive. Surrounding sugarcane, timber, and tourism operations adds to the mix of land use nearby, while the subtropical bushveld climate keeps some tree pollen present across much of the year, consistent with the broader bushveld savanna environment.
At Graskop, mopane and acacia open the bushveld pollen season in August, with grass becoming dominant through the warmer months from October. The warm, dry winter suppresses most production, while sugarcane, timber, and tourism operations in the surrounding district shapes the balance between wooded and open land, a pattern typical of the broader bushveld climate.
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Frequently Asked Questions About Pollen in Mpumalanga
Is pollen high in Graskop right now?
On 20 September 2026, overall pollen levels in Graskop are moderate. Artemisia is the main contributor to airborne pollen, while cypress, morus, platanus, myrtle, and oak remain at lower levels
Will pollen levels change in Graskop tomorrow?
On 21 September 2026, pollen conditions in Graskop will be similar to today, with artemisia at moderate levels, cypress at moderate levels, morus at moderate levels, myrtle at low levels, platanus at moderate levels, oak at low levels
Is pollen expected to decrease in Graskop this week?
According to the five-day outlook, artemisia, cypress, morus, myrtle, and platanus pollen levels are expected to gradually decrease, while oak pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Graskop?
On 20 September 2026, Artemisia is the dominant pollen source in Graskop. cypress, morus, platanus, myrtle, and oak are also present but at lower levels. urtica and grass are not currently active.
When is pollen season in Graskop?
How often is the Graskop pollen forecast updated?
The Graskop pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Graskop 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 Graskop 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 Graskop, 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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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).
