Mount Portal pollen forecast - today, tomorrow and the week ahead

Today (24 August) pollen in Mount Portal is moderate; eucalyptus is moderate. Tomorrow (25 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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Nearby, close to home here, river oak crowds the water's edge here, a well-known contributor to local casuarina pollen counts. Forest where eucalypt and wattle share the canopy and margins, wattle driving most of the seasonal pollen spike; this sits in the surrounding area. Local wind exposure and land use can shift the exact mix slightly from block to block.

Today - 24 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):

    Moderate

    28/100

  • 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 - 25 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):

    Moderate

    32/100

  • Grass (Poaceae):

    None

    0/100

  • Willow (Salicaceae):

    None

    0/100

Air quality in Mount Portal

View air quality

Pollen forecast for neighborhoods and landmarks in Mount Portal

Darug Camp Area Nioka Campsite

Frequently Asked Questions

Is pollen high in Mount Portal right now?

On 24 August 2026, overall pollen levels in Mount Portal are moderate. Myrtle is the main contributor to airborne pollen

Will pollen levels change in Mount Portal tomorrow?

On 25 August 2026, pollen conditions in Mount Portal will be similar to today, with myrtle at moderate levels

Is pollen expected to decrease in Mount Portal this week?

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

Which pollen types are currently active in Mount Portal?

On 24 August 2026, Myrtle is the dominant pollen source in Mount Portal. grass, acacia, and cypress are not currently active.

When is pollen season in Mount Portal?
River oak by the water is typically first out of the gate, usually peaking sometime between July and September. Woodland eucalypt and wattle pick up the pace next, through late winter into spring, peaking as wattle comes into full flower, generally August into September. Spring brings rising grass pollen that crests in November, before staying elevated through the summer months into late January.
How often is the Mount Portal pollen forecast updated?

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

Does pollen in Mount Portal 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 Mount Portal 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 Mount Portal, 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?

Brisbane Forster Melton Toowoomba Ulladulla Young

Check pollen in other popular cities:

Melton Rio de Janeiro Copenhagen Athens Denpasar Rome Cape Town Barcelona London Los Angeles New York

Data provided by Airmine — Last update: 24 August 2026 at 20:27 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Mount Portal.

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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.