White River pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in White River is high; mugwort is high; cypress and mulberry are moderate; eucalyptus, oak, and plane are low.
Pollen Tomorrow
Tomorrow (21 September 2026) cypress remains moderate, eucalyptus remains low, oak remains low, mulberry remains moderate, plane remains low, mugwort declining.
7-Day Trend
Over the next week eucalyptus and oak will increase; cypress, 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 | 36/100 |
| Eucalyptus (Myrtaceae) | Low | 15/100 |
| Grass (Poaceae) | None | 0/100 |
| Oak (Quercus) | Low | 15/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | High | 53/100 |
| Mulberry (Morus) | Moderate | 33/100 |
| Plane (Platanus) | Low | 22/100 |
| 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 | 32/100 | |
| Eucalyptus (Myrtaceae) | Low | 8/100 | |
| Grass (Poaceae) | None | 0/100 | |
| Oak (Quercus) | Low | 4/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Moderate | 32/100 | |
| Mulberry (Morus) | Moderate | 28/100 | |
| Plane (Platanus) | Low | 17/100 | |
| Nettle (Urtica) | None | 0/100 |
Local Environmental Conditions
White River lies roughly 20 km north-northeast of Nelspruit. At White River, mopane and acacia thornveld define much of the bushveld vegetation, with denser tree cover found away from the built-up centre. The area's sugarcane, timber, and tourism operations shapes the wider savanna landscape, and grass pollen rises sharply through the warm, wet summer months that follow, consistent with the broader bushveld savanna environment.
Pollen from acacia and bushveld trees builds through August and September at White River, tapering off as grass takes over from October through February. The subtropical climate ties pollen closely to the spring flush, and the area's sugarcane, timber, and tourism operations adds to the mix of vegetation and land use nearby, a pattern typical of the broader bushveld climate.
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Frequently Asked Questions About Pollen in Mpumalanga
Is pollen high in White River right now?
On 20 September 2026, overall pollen levels in White River are high. Artemisia is the main contributor to airborne pollen, while cypress, morus, platanus, oak, and myrtle remain at lower levels
Will pollen levels change in White River tomorrow?
On 21 September 2026, pollen conditions in White River will be different from today, with platanus at low levels, oak at low levels, cypress at moderate levels, morus at moderate levels, myrtle at low levels and artemisia continuing to decline
Is pollen expected to decrease in White River this week?
According to the five-day outlook, platanus, artemisia, cypress, and morus pollen levels are expected to gradually decrease, while oak and myrtle pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in White River?
On 20 September 2026, Artemisia is the dominant pollen source in White River. cypress, morus, platanus, oak, and myrtle are also present but at lower levels. grass and urtica are not currently active.
When is pollen season in White River?
How often is the White River pollen forecast updated?
The White River pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in White River 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 White River 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 White River, 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).
