Secunda pollen forecast - today, tomorrow and the week ahead

Today (16 July) pollen in Secunda is low; plane is low. Tomorrow (17 July 2026) levels are similar - plane remains low, cypress at low levels, urtica at low levels. Over the following five days cypress, plane, and urtica will decrease. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

For long term forecasts and maps, see the Airmine app

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Use our Strava plugin to check your own exposure.

Secunda lies roughly 210 km west-southwest of Nelspruit. Secunda's tree cover leans heavily on eucalyptus, acacia, and introduced oak, interspersed with open Highveld grassland that dominates beyond the built-up centre. Nearby coal mining and power station operations shapes the wider landscape, while exposure to grass pollen rises sharply once the summer rains reach the surrounding farmland, consistent with the wider Highveld plateau environment.

Today - 16 July

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    None

    0/100

  • Mulberry (Morus):

    None

    0/100

  • Plane (Platanus):

    Low

    1/100

  • 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 - 17 July

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    Low

    11/100

  • Grass (Poaceae):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    None

    0/100

  • Mulberry (Morus):

    None

    0/100

  • Plane (Platanus):

    Low

    13/100

  • Urtica:

    Low

    7/100

Air quality in Secunda

View air quality

Frequently Asked Questions

Is pollen high in Secunda right now?

On 16 July 2026, overall pollen levels in Secunda are low. Platanus is the main contributor to airborne pollen

Will pollen levels change in Secunda tomorrow?

On 17 July 2026, pollen conditions in Secunda will be different from today, with cypress at low levels, platanus at low levels, urtica at low levels

Is pollen expected to decrease in Secunda this week?

According to the five-day outlook, cypress, platanus, and urtica pollen levels are expected to gradually decrease, while artemisia pollen will increase, suggesting mixed conditions later in the week.

Which pollen types are currently active in Secunda?

On 16 July 2026, Platanus is the dominant pollen source in Secunda. artemisia, cypress, morus, and urtica are not currently active.

When is pollen season in Secunda?
At Secunda, the pollen year starts slowly in August with tree species like acacia and eucalyptus, before grassland pollen takes over and peaks through October and November. Surrounding coal mining and power station operations contributes little pollen directly, but shapes how built-up versus open the exposure is across the town, a pattern typical of the wider Highveld region.
How often is the Secunda pollen forecast updated?

The Secunda pollen forecast is updated four times daily. See the timestamp below for the most recent update.

Does pollen in Secunda 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 Secunda 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 Secunda, 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: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Secunda.

For long term forecasts and maps, see the Airmine app

Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.