Bethal pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Bethal is moderate; mugwort is moderate; cypress, eucalyptus, oak, mulberry, and plane are low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week cypress, eucalyptus, oak, 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) | Low | 15/100 |
| Eucalyptus (Myrtaceae) | Low | 11/100 |
| Grass (Poaceae) | None | 0/100 |
| Oak (Quercus) | Low | 11/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Moderate | 35/100 |
| Mulberry (Morus) | Low | 14/100 |
| Plane (Platanus) | Low | 13/100 |
| 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 | 8/100 | |
| Eucalyptus (Myrtaceae) | Low | 5/100 | |
| Grass (Poaceae) | None | 0/100 | |
| Oak (Quercus) | Low | 5/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Moderate | 28/100 | |
| Mulberry (Morus) | Low | 8/100 | |
| Plane (Platanus) | Low | 7/100 | |
| Nettle (Urtica) | None | 0/100 |
Local Environmental Conditions
Bethal's Mpumalanga Highveld agricultural setting features acacia, eucalyptus, and Highveld grassland 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 wetlands provide locally significant riparian vegetation, while the surrounding Highveld maize and sunflower farmland contributes substantial grass and crop pollen throughout the summer rainfall season.
Bethal's Mpumalanga Highveld agricultural season opens in August with acacia and eucalyptus before grass and crop pollen from surrounding maize and sunflower farmland peaks intensely through November and December. The Vaal tributary wetlands contribute locally significant riparian pollen, while the dry winter months suppress most pollen production and the summer rainfall pattern concentrates the main season in spring and early summer throughout.
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Frequently Asked Questions About Pollen in Mpumalanga
Is pollen high in Bethal right now?
On 20 September 2026, overall pollen levels in Bethal are moderate. Artemisia is the main contributor to airborne pollen, while myrtle, platanus, oak, cypress, and morus remain at lower levels
Will pollen levels change in Bethal tomorrow?
On 21 September 2026, pollen conditions in Bethal will be similar to today, with myrtle at low levels, platanus at low levels, oak at low levels, artemisia at moderate levels, cypress at low levels, morus at low levels
Is pollen expected to decrease in Bethal this week?
According to the five-day outlook, myrtle, platanus, oak, artemisia, cypress, and morus pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Bethal?
On 20 September 2026, Artemisia is the dominant pollen source in Bethal. myrtle, platanus, oak, cypress, and morus are also present but at lower levels. grass and urtica are not currently active.
When is pollen season in Bethal?
How often is the Bethal pollen forecast updated?
The Bethal pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Bethal 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 Bethal 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 Bethal, 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).
