Zastron pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Zastron is medium; eucalyptus is medium; mugwort and plane are low. Tomorrow (10 August 2026) levels are similar - plane remains low, eucalyptus declining. Over the following five days eucalyptus, mugwort, and plane will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Zastron lies roughly 160 km south-southeast of Bloemfontein. Around Zastron, the vegetation is a patchwork of eucalyptus, acacia, and introduced oak in the older streets, thinning out into open Highveld grassland once you leave the built-up core, with maize, sunflower, and grain farming operations occupying much of that outer land. This split between wooded town and open plateau shapes exposure block by block.
Today - 9 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Eucalyptus (Myrtaceae):
Medium
33/100
-
Grass (Poaceae):
None
0/100
-
Oak (Quercus):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
3/100
-
Mulberry (Morus):
None
0/100
-
Plane (Platanus):
Low
13/100
-
Urtica:
None
0/100
High pollen levels may trigger sneezing, itchy eyes, and congestion. Airmine's neighbourhood estimates use satellites to map local vegetation and a statistical prediction model, updated four times daily.
Tomorrow - 10 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Eucalyptus (Myrtaceae):
Low
24/100
-
Grass (Poaceae):
None
0/100
-
Oak (Quercus):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
None
0/100
-
Mulberry (Morus):
None
0/100
-
Plane (Platanus):
Low
3/100
-
Urtica:
None
0/100
Air quality in Zastron
View air qualityFrequently Asked Questions
Is pollen high in Zastron right now?
On 9 August 2026, overall pollen levels in Zastron are moderate. Myrtle is the main contributor to airborne pollen, while artemisia and platanus remain at lower levels
Will pollen levels change in Zastron tomorrow?
On 10 August 2026, pollen conditions in Zastron will be different from today, with platanus at low levels and myrtle continuing to decline
Is pollen expected to decrease in Zastron this week?
According to the five-day outlook, oak, artemisia, cypress, morus, myrtle, and platanus pollen levels will increase later in the week.
Which pollen types are currently active in Zastron?
On 9 August 2026, Myrtle is the dominant pollen source in Zastron. artemisia and platanus are also present but at lower levels. oak, urtica, cypress, and morus are not currently active.
When is pollen season in Zastron?
How often is the Zastron pollen forecast updated?
The Zastron pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Zastron 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 Zastron 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 Zastron, 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.
Want to see pollen forecasts for other cities in South Africa?
Check pollen in other popular cities:
Data provided by Airmine — Last update: 10 August 2026 at 02:34 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Zastron.
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Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.