Nelspruit pollen forecast — Steiltes neighborhood
Pollen Today
Today (20 September) pollen in Steiltes, Nelspruit is moderate; cypress, mugwort, and mulberry are moderate; eucalyptus and plane are low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week eucalyptus, mulberry, and plane will increase; cypress and mugwort will decrease; grass, oak, 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 | 23/100 |
| Grass (Poaceae) | None | 0/100 |
| Oak (Quercus) | None | 0/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Moderate | 50/100 |
| Mulberry (Morus) | Moderate | 48/100 |
| Plane (Platanus) | Low | 25/100 |
| 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 | 48/100 | |
| Eucalyptus (Myrtaceae) | Low | 16/100 | |
| Grass (Poaceae) | None | 0/100 | |
| Oak (Quercus) | None | 0/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Moderate | 44/100 | |
| Mulberry (Morus) | Moderate | 40/100 | |
| Plane (Platanus) | Low | 18/100 | |
| Nettle (Urtica) | None | 0/100 |
Local Environmental Conditions
Bushveld trees like acacia and mopane, alongside open grassland, characterise the vegetation at Steiltes, with exposure shifting between wooded and cleared areas nearby. The district's sugarcane, timber, and tourism operations contributes to a landscape where grass pollen becomes dominant through the warm, humid summer season, consistent with the broader bushveld savanna environment.
Steiltes's savanna vegetation releases acacia and mopane pollen from August, with grass pollen peaking once the rains begin around October and continuing into the new year. The subtropical bushveld climate and the area's sugarcane, timber, and tourism operations together shape a season that runs later than the cooler Highveld further south, a pattern typical of the broader bushveld climate.
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Pollen forecast neighborhoods 8 neighborhoods
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Frequently Asked Questions About Pollen in Mpumalanga
Is pollen high in Nelspruit right now?
On 20 September 2026, overall pollen levels in Nelspruit are moderate. Artemisia is the main contributor to airborne pollen, while cypress, morus, platanus, and myrtle remain at lower levels
Will pollen levels change in Nelspruit tomorrow?
On 21 September 2026, pollen conditions in Nelspruit will be similar to today, with platanus at low levels, artemisia at moderate levels, cypress at moderate levels, morus at moderate levels, myrtle at low levels
Is pollen expected to decrease in Nelspruit this week?
According to the five-day outlook, artemisia and cypress pollen levels are expected to gradually decrease, while platanus, morus, and myrtle pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Nelspruit?
On 20 September 2026, Artemisia is the dominant pollen source in Nelspruit. cypress, morus, platanus, and myrtle are also present but at lower levels. grass, oak, and urtica are not currently active.
When is pollen season in Nelspruit?
How often is the Nelspruit pollen forecast updated?
The Nelspruit pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Nelspruit 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 Nelspruit 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 Nelspruit, 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).
