Porterville pollen forecast - today, tomorrow and the week ahead
Today (30 August) pollen in Porterville is low; mugwort is low. Tomorrow (31 August 2026) levels are similar - mugwort increasing, cypress at low levels, eucalyptus at low levels, plane at low levels. Over the following five days cypress, 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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Porterville lies roughly 110 km north-northeast of Cape Town. Porterville's plant life is dominated by hardy scrub and camel thorn acacia adapted to the arid Karoo climate, with a little irrigated greenery inside town itself. Surrounding sheep farming and small-town activity contributes to a landscape where vegetation cover, and pollen, stay sparse outside the brief spring flush, consistent with the wider semi-arid Karoo landscape.
Today - 30 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Eucalyptus (Myrtaceae):
None
0/100
-
Grass (Poaceae):
None
0/100
-
Oak (Quercus):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
7/100
-
Mulberry (Morus):
None
0/100
-
Plane (Platanus):
None
0/100
-
Nettle (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 - 31 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
Low
10/100
-
Eucalyptus (Myrtaceae):
Low
3/100
-
Grass (Poaceae):
None
0/100
-
Oak (Quercus):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Moderate
26/100
-
Mulberry (Morus):
None
0/100
-
Plane (Platanus):
Low
2/100
-
Nettle (Urtica):
None
0/100
Air quality in Porterville
View air qualityFrequently Asked Questions
Is pollen high in Porterville right now?
On 30 August 2026, overall pollen levels in Porterville are low. Artemisia is the main contributor to airborne pollen
Will pollen levels change in Porterville tomorrow?
On 31 August 2026, pollen conditions in Porterville will be different from today, with myrtle at low levels, platanus at low levels, cypress at low levels and artemisia increasing
Is pollen expected to decrease in Porterville this week?
According to the five-day outlook, myrtle, platanus, grass, artemisia, and cypress pollen levels will increase later in the week.
Which pollen types are currently active in Porterville?
On 30 August 2026, Artemisia is the dominant pollen source in Porterville. morus, myrtle, platanus, grass, oak, urtica, and cypress are not currently active.
When is pollen season in Porterville?
How often is the Porterville pollen forecast updated?
The Porterville pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Porterville 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 Porterville 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 Porterville, 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: 30 August 2026 at 14:32 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Porterville.
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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.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.