Horsham pollen forecast - today, tomorrow and the week ahead

Today (9 August) pollen in Horsham is low; eucalyptus is low. Tomorrow (10 August 2026) levels are similar. Over the following five days eucalyptus will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.

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Horsham's Wimmera setting is dominated by broadacre grain and canola cropping on flat, fertile plains, with the Wimmera River providing a green corridor of eucalypt and river red gum through town. Remnant native vegetation persists in reserves and along travelling-stock routes, while introduced pasture and crop species cover most cultivated land. Nearby, the Grampians and Little Desert National Park add forested and mallee vegetation to the broader region's pollen mix.

Today - 9 August

  • Acacia (Acacia):

    None

    0/100

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Eucalyptus (Myrtaceae):

    Low

    2/100

  • Grass (Poaceae):

    None

    0/100

  • Willow (Salicaceae):

    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

  • Acacia (Acacia):

    None

    0/100

  • 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

  • Willow (Salicaceae):

    None

    0/100

Air quality in Horsham

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Frequently Asked Questions

Is pollen high in Horsham right now?

On 9 August 2026, overall pollen levels in Horsham are low. Myrtle is the main contributor to airborne pollen

Will pollen levels change in Horsham tomorrow?

On 10 August 2026, pollen conditions in Horsham will be similar to today with no significant pollen expected.

Is pollen expected to decrease in Horsham this week?

According to the five-day outlook, myrtle pollen levels will increase later in the week.

Which pollen types are currently active in Horsham?

On 9 August 2026, Myrtle is the dominant pollen source in Horsham. acacia, cypress, and grass are not currently active.

When is pollen season in Horsham?
Horsham sits at the heart of the Wimmera, one of Victoria's premier grain-growing regions, and its pollen season reflects that intensive cropping landscape. Eucalypt and wattle pollen appear from August, but wheat, canola and other broadacre crops drive substantial pollen and dust loads through spring, peaking with pasture grasses from October to December. The Wimmera's flat, exposed plains allow pollen and dust to travel widely on the wind, and spring storms crossing the region carry the same thunderstorm-asthma risk recognised across inland southeastern Australia.
How often is the Horsham pollen forecast updated?

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

Does pollen in Horsham 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 Horsham 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 Horsham, 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 Australia?

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Data provided by Airmine — Last update: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Horsham.

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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.