Guelph/Eramosa pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Guelph/Eramosa is medium; mugwort is medium; ragweed is low. Tomorrow (10 August 2026) levels are similar - mugwort remains medium, ragweed increasing, grass at low levels. Over the following five days grass, mugwort, and ragweed will increase. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.
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This area, in the surrounding area, has hazel and willow thrive along the damp bank, both prolific early wind-pollinators. This area, not far from here, has woodland where oak stands alongside birch, the latter especially aggressive as an allergen. Neighboring areas with similar land cover tend to show a closely matching pollen mix.
Today - 9 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
None
0/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Medium
32/100
-
Ragweed (Ambrosia):
Low
23/100
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 - 10 August
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Low
9/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Medium
50/100
-
Ragweed (Ambrosia):
Medium
43/100
Air quality in Guelph/Eramosa
View air qualityFrequently Asked Questions
Is pollen high in Guelph/Eramosa right now?
On 9 August 2026, overall pollen levels in Guelph/Eramosa are moderate. Artemisia is the main contributor to airborne pollen, while ambrosia remain at lower levels
Will pollen levels change in Guelph/Eramosa tomorrow?
On 10 August 2026, pollen conditions in Guelph/Eramosa will be different from today, with artemisia at medium levels, grass at low levels and ambrosia increasing
Is pollen expected to decrease in Guelph/Eramosa this week?
According to the five-day outlook, ambrosia, artemisia, and grass pollen levels will increase later in the week.
Which pollen types are currently active in Guelph/Eramosa?
On 9 August 2026, Artemisia is the dominant pollen source in Guelph/Eramosa. ambrosia are also present but at lower levels. cypress and grass are not currently active.
When is pollen season in Guelph/Eramosa?
How often is the Guelph/Eramosa pollen forecast updated?
The Guelph/Eramosa pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Guelph/Eramosa 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 Guelph/Eramosa 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 Guelph/Eramosa, 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: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Guelph/Eramosa.
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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.