Ermelo pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Ermelo is moderate; cypress, mugwort, and mulberry are moderate; eucalyptus, oak, and plane are low.
Pollen Tomorrow
Tomorrow (21 September 2026) eucalyptus remains low, oak remains low, mugwort remains moderate, plane remains low, cypress declining, mulberry declining.
7-Day Trend
Over the next week cypress, eucalyptus, oak, and plane will increase; mugwort and mulberry 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 | 27/100 |
| Eucalyptus (Myrtaceae) | Low | 20/100 |
| Grass (Poaceae) | None | 0/100 |
| Oak (Quercus) | Low | 19/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Moderate | 44/100 |
| Mulberry (Morus) | Moderate | 26/100 |
| Plane (Platanus) | Low | 23/100 |
| 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) | Low | 12/100 | |
| Eucalyptus (Myrtaceae) | Low | 5/100 | |
| Grass (Poaceae) | None | 0/100 | |
| Oak (Quercus) | Low | 4/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Moderate | 29/100 | |
| Mulberry (Morus) | Low | 11/100 | |
| Plane (Platanus) | Low | 8/100 | |
| Nettle (Urtica) | None | 0/100 |
Local Environmental Conditions
Ermelo's Mpumalanga Highveld grassland setting features acacia, eucalyptus, and indigenous Highveld grasses as the main pollen sources, with exposure varying between the limited residential green spaces and the more open agricultural and commercial areas around the town centre. The Vaal tributary corridor provides locally significant riparian vegetation, while the surrounding Highveld grassland is a particularly significant local grass pollen source during the summer rainfall season.
Ermelo's Mpumalanga Highveld grassland season is strongly driven by the summer rainfall pattern, with acacia contributing from August before grass from surrounding Highveld grassland peaks intensely through November and December. The surrounding Highveld grassland is a particularly significant local grass pollen source, while the dry June and July winter months suppress most pollen production across this Mpumalanga grassland town.
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Frequently Asked Questions About Pollen in Mpumalanga
Is pollen high in Ermelo right now?
On 20 September 2026, overall pollen levels in Ermelo are moderate. Artemisia is the main contributor to airborne pollen, while cypress, morus, oak, myrtle, and platanus remain at lower levels
Will pollen levels change in Ermelo tomorrow?
On 21 September 2026, pollen conditions in Ermelo will be different from today, with oak at low levels, artemisia at moderate levels, myrtle at low levels, platanus at low levels and cypress, morus continuing to decline
Is pollen expected to decrease in Ermelo this week?
According to the five-day outlook, artemisia and morus pollen levels are expected to gradually decrease, while oak, cypress, myrtle, and platanus pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Ermelo?
On 20 September 2026, Artemisia is the dominant pollen source in Ermelo. cypress, morus, oak, myrtle, and platanus are also present but at lower levels. urtica and grass are not currently active.
When is pollen season in Ermelo?
How often is the Ermelo pollen forecast updated?
The Ermelo pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Ermelo 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 Ermelo 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 Ermelo, 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).
