Kroonstad pollen forecast — Constantia Park neighborhood
Pollen Today
Today (20 September) pollen in Constantia Park, Kroonstad is low; cypress, eucalyptus, oak, mugwort, 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 | 11/100 |
| Eucalyptus (Myrtaceae) | Low | 8/100 |
| Grass (Poaceae) | None | 0/100 |
| Oak (Quercus) | Low | 7/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Low | 15/100 |
| Mulberry (Morus) | Low | 11/100 |
| Plane (Platanus) | Low | 9/100 |
| 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 | 13/100 | |
| Eucalyptus (Myrtaceae) | Low | 9/100 | |
| Grass (Poaceae) | None | 0/100 | |
| Oak (Quercus) | Low | 8/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 17/100 | |
| Mulberry (Morus) | Low | 12/100 | |
| Plane (Platanus) | Low | 11/100 | |
| Nettle (Urtica) | None | 0/100 |
Local Environmental Conditions
Constantia Park lies roughly 190 km north-northeast of Bloemfontein. Grassland dominates the land around Constantia Park once you're past the eucalyptus- and acacia-lined streets near the centre, with maize, sunflower, and grain farming operations shaping much of what lies further out. The seasonal grass pollen surge each summer draws directly on this surrounding open plateau vegetation. This pattern holds true across most of the surrounding Highveld plateau.
The pollen calendar at Constantia Park starts quietly, with acacia and eucalyptus trickling in from August before Highveld grass takes over decisively through October and November, against a backdrop shaped by maize, sunflower, and grain farming operations. Rain arriving in spring is what finally ends the dry, low-pollen winter stretch. This mirrors the broader seasonal pattern seen across much of the Highveld region.
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Frequently Asked Questions About Pollen in Free State
Is pollen high in Kroonstad right now?
On 20 September 2026, overall pollen levels in Kroonstad are low. Myrtle is the main contributor to airborne pollen, while platanus, oak, artemisia, cypress, and morus remain at lower levels
Will pollen levels change in Kroonstad tomorrow?
On 21 September 2026, pollen conditions in Kroonstad will be similar to today, with myrtle at low levels, platanus at low levels, oak at low levels, artemisia at low levels, cypress at low levels, morus at low levels
Is pollen expected to decrease in Kroonstad 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 Kroonstad?
On 20 September 2026, Myrtle is the dominant pollen source in Kroonstad. platanus, oak, artemisia, cypress, and morus are also present but at lower levels. grass and urtica are not currently active.
When is pollen season in Kroonstad?
How often is the Kroonstad pollen forecast updated?
The Kroonstad pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Kroonstad 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 Kroonstad 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 Kroonstad, 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).
