Oakville pollen forecast — Trafalgar neighborhood

Today (30 August) pollen in Trafalgar, Oakville is high; ragweed is high; grass and mugwort are low. Tomorrow (31 August 2026) levels are similar. Over the following five days grass and ragweed will increase; mugwort will decrease. 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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The waterway's edge supports hazel and willow, species known for potent, wind-carried pollen; this sits in the surrounding area. Nearby, nearby, a stand of oak and birch, the latter ranked among the region's most potent tree allergens. Located within easy reach, this area has well-kept lawns and ornamental trees in this park add their share of grass and ragweed pollen.

Today - 30 August

  • Alder (Alnus):

    None

    0/100

  • Birch (Betula):

    None

    0/100

  • Hazel (Corylus):

    None

    0/100

  • Cypress (Cupressaceae):

    None

    0/100

  • Grass (Poaceae):

    Low

    7/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    5/100

  • Ragweed (Ambrosia):

    High

    56/100

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):

    None

    0/100

  • Grass (Poaceae):

    Low

    24/100

  • Willow (Salicaceae):

    None

    0/100

  • Mugwort (Artemisia):

    Low

    19/100

  • Ragweed (Ambrosia):

    High

    70/100

Other Landmarks in Oakville

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Frequently Asked Questions

Is pollen high in Oakville right now?

On 30 August 2026, overall pollen levels in Oakville are high. Ambrosia is the main contributor to airborne pollen, while grass and artemisia remain at lower levels

Will pollen levels change in Oakville tomorrow?

On 31 August 2026, pollen conditions in Oakville will be similar to today, with grass at low levels, ambrosia at high levels, artemisia at low levels

Is pollen expected to decrease in Oakville this week?

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

Which pollen types are currently active in Oakville?

On 30 August 2026, Ambrosia is the dominant pollen source in Oakville. grass and artemisia are also present but at lower levels. cypress are not currently active.

When is pollen season in Oakville?
The water-adjacent hazel and willow are early risers, getting an early start, typically cresting between February and March. Oak and birch in the nearby woodland follow in mid-to-late spring, typically landing in April and May. Late spring brings rising grass pollen that crests in June, before ragweed pollen takes center stage across mid-August into October.
How often is the Oakville pollen forecast updated?

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

Does pollen in Oakville 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 Oakville 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 Oakville, 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.

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Data provided by Airmine — Last update: 30 August 2026 at 20:26 CEST (Data is updated four times daily.)

This page provides the latest public pollen forecast for Trafalgar, Oakville.

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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.