Castlemaine pollen forecast - today, tomorrow and the week ahead

Today (16 July) pollen in Castlemaine is low; acacia is low. Tomorrow (17 July 2026) levels are similar. Over the following five days acacia will increase. 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

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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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Castlemaine is ringed by box-ironbark forest, the classic dry goldfields eucalypt woodland of central Victoria, with a spring understorey rich in wattle; the historic town centre itself is heavily planted with exotic deciduous trees from its Victorian-era establishment. Grass pollen typically becomes the dominant local allergen through late spring and into summer, following an earlier and comparatively brief peak from flowering wattle and eucalypt in the cooler months.

Today - 16 July

  • Acacia (Acacia):

    Low

    11/100

  • 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

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

  • 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 Castlemaine

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Frequently Asked Questions

Is pollen high in Castlemaine right now?

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

Will pollen levels change in Castlemaine tomorrow?

On 17 July 2026, pollen conditions in Castlemaine will be similar to today with no significant pollen expected.

Is pollen expected to decrease in Castlemaine this week?

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

Which pollen types are currently active in Castlemaine?

On 16 July 2026, Acacia is the dominant pollen source in Castlemaine. cypress and myrtle are not currently active.

When is pollen season in Castlemaine?
Castlemaine, in Victoria's central goldfields country, sits amid box-ironbark forest and grazing land with a pollen season split between native eucalypt woodland and pasture. Tree pollen from eucalypts, wattle and cypress builds from August, while grass pollen from surrounding paddocks peaks October and November. The region's dry, forested hills and modest rainfall compared with Melbourne tend to keep the grass season a touch shorter, with dry summer conditions typically settling in by December and curbing further growth.
How often is the Castlemaine pollen forecast updated?

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

Does pollen in Castlemaine 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 Castlemaine 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 Castlemaine, 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: 16 July 2026 at 05:36 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Castlemaine.

For long term forecasts and maps, see the Airmine app

Download on the App Store Get it on Google Play

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