Macdonald, Meredith and Aberdeen Additional Township Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (10 October) pollen in Macdonald, Meredith and Aberdeen Additional Township is moderate; mold (cladosporium) is moderate; grass, mugwort, ragweed, and mold (alternaria) are low.
Pollen Tomorrow
Tomorrow (11 October 2026) grass remains low, mugwort remains low, mold (cladosporium) remains moderate, ragweed increasing, mold (alternaria) increasing.
7-Day Trend
Over the next week grass, mugwort, ragweed, mold (alternaria), and mold (cladosporium) will decrease.
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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 | 20/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Low | 20/100 |
| Ragweed (Ambrosia) | Low | 25/100 |
| Mold (Alternaria) | Low | 13/100 |
| Mold (Cladosporium) | Moderate | 30/100 |
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 | 23/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 23/100 | |
| Ragweed (Ambrosia) | Moderate | 28/100 | |
| Mold (Alternaria) | Moderate | 35/100 | |
| Mold (Cladosporium) | Moderate | 50/100 |
Local Environmental Conditions
The landscape around the heart of Macdonald, Meredith and Aberdeen Additional Township is heavily wooded. Lawns and planted trees in a nearby park add to local grass and tree pollen. The leading allergenic tree nearby is birch, with oak and maple close behind. Clearings, tracks and woodland edges let grasses and other flowering plants grow among the trees.
Tree pollen peaks in late spring, when the weather warms to around 10°C and birch, oak and maple are in full flower. Grasses take over in early summer, with temperatures around 15°C, and their pollen lingers into late summer. By late fall, pollen levels are low again. Dry, sunny and breezy weather raises levels within each period, and steady rain brings them down.
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Frequently Asked Questions About Pollen in Ontario
Is pollen high in Macdonald, Meredith and Aberdeen Additional Township right now?
On 10 October 2026, overall pollen levels in Macdonald, Meredith and Aberdeen Additional Township are low. Artemisia is the main contributor to airborne pollen, while grass and ambrosia remain at lower levels
Will pollen levels change in Macdonald, Meredith and Aberdeen Additional Township tomorrow?
On 11 October 2026, pollen conditions in Macdonald, Meredith and Aberdeen Additional Township will be different from today, with artemisia at low levels, grass at low levels and ambrosia increasing
Is pollen expected to decrease in Macdonald, Meredith and Aberdeen Additional Township 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 Macdonald, Meredith and Aberdeen Additional Township?
On 10 October 2026, Artemisia is the dominant pollen source in Macdonald, Meredith and Aberdeen Additional Township. grass and ambrosia are also present but at lower levels.
When is pollen season in Macdonald, Meredith and Aberdeen Additional Township?
How often is the Macdonald, Meredith and Aberdeen Additional Township pollen forecast updated?
The Macdonald, Meredith and Aberdeen Additional Township pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Macdonald, Meredith and Aberdeen Additional Township 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 Macdonald, Meredith and Aberdeen Additional Township 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 Macdonald, Meredith and Aberdeen Additional Township, 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. |
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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).
