Bronte Creek Provincial Park - Prairie Campground, Oakville Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (10 October) pollen in Bronte Creek Provincial Park - Prairie Campground, Oakville is low; grass, ragweed, mold (alternaria), and mold (cladosporium) are low.
Pollen Tomorrow
Tomorrow (11 October 2026) grass remains low, ragweed remains low, mold (alternaria) remains low, mold (cladosporium) remains low, mugwort at low levels.
7-Day Trend
Over the next week grass, mugwort, ragweed, and mold (cladosporium) will decrease; mold (alternaria) will remain stable.
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Pollen Risk
Today - 10 October
| Pollen species | Level | Value |
|---|---|---|
| Alder (Alnus) | None | 0/100 |
| Birch (Betula) | None | 0/100 |
| Hazel (Corylus) | None | 0/100 |
| Cypress (Cupressaceae) | None | 0/100 |
| Grass (Poaceae) | Low | 2/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | Low | 8/100 |
| Mold (Alternaria) | Low | 5/100 |
| Mold (Cladosporium) | Low | 16/100 |
Tomorrow - 11 October
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Alder (Alnus) | None | 0/100 | — |
| Birch (Betula) | None | 0/100 | — |
| Hazel (Corylus) | None | 0/100 | — |
| Cypress (Cupressaceae) | None | 0/100 | — |
| Grass (Poaceae) | Low | 11/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 8/100 | |
| Ragweed (Ambrosia) | Low | 18/100 | |
| Mold (Alternaria) | Low | 3/100 | |
| Mold (Cladosporium) | Low | 12/100 |
Local Environmental Conditions
The area around this part of Oakville is mostly woodland, with a good deal of open grassland and some built-up land. A nearby park adds mown lawns and planted trees to the local pollen mix. Allergenic trees nearby include oak, maple and pecan. Grasses also feature strongly, alongside ragweed and plantain among the weeds.
Oak, maple and pecan lead the season in late spring, as temperatures climb to around 15°C, and tree pollen reaches its peak. Then come the grasses, strongest in early summer and fading by early fall. Ragweed and plantain bring a final peak from late summer into mid-fall. By late fall, as temperatures fall to around 5°C, pollen levels are low again.
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Frequently Asked Questions About Pollen in Ontario
Is pollen high in Oakville right now?
On 10 October 2026, overall pollen levels in Oakville are low. Grass is the main contributor to airborne pollen, while ambrosia remain at lower levels
Will pollen levels change in Oakville tomorrow?
On 11 October 2026, pollen conditions in Oakville will be different from today, with artemisia at low levels, grass at low levels, ambrosia at low levels
Is pollen expected to decrease in Oakville this week?
According to the five-day outlook, artemisia, grass, and ambrosia pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Oakville?
On 10 October 2026, Grass is the dominant pollen source in Oakville. ambrosia are also present but at lower levels. artemisia are not currently active.
When is pollen season in Oakville?
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.
Understanding the Scale
The 0–100 pollen scores represent risk levels, not direct pollen measurements. Higher scores indicate higher risk.
Pollen
| None | 0 | No or negligible risk of exposure. Pollen/mold exposure is expected to be minimal. |
| Low | 0-25 | Low risk of exposure. Small amounts of pollen or mold spores may be present. |
| Moderate | 25-50 | Moderate risk of exposure. Pollen/mold exposure is expected to be noticeable. |
| High | 50-75 | High risk of exposure. Elevated pollen/mold exposure is expected. |
| Very High | 75-100 | Very high risk of exposure. Pollen/mold exposure is expected to be at or near its highest levels. |
Get More in the Airmine Pollen app
Get 15-day pollen forecasts with morning, afternoon and evening detail, plus 5-day air quality forecasts. Explore interactive pollen risk maps, estimated pollen season start, route profiles and a symptoms diary.
Features and forecast availability vary by region. Currently covering Europe, the contiguous US, southern Canada, South Africa, Australia, Indonesia (Java & Bali), Brazil, Paraguay, Uruguay and the Buenos Aires area.
Developed with support from the European Space Agency (ESA) Business Applications and Space Solutions (BASS).
