Sault Ste. Marie pollen forecast - today, tomorrow and the week ahead
Today (9 August) pollen in Sault Ste. Marie is high; ragweed is high; mugwort is medium; grass is low. Tomorrow (10 August 2026) levels are similar - grass remains low, ragweed remains high, mugwort declining. 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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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Set on a St. Marys River town at the edge of Lake Superior, Sault Ste. Marie's landscape is defined by boreal spruce-fir forest alongside paper birch stands and riverside alder, the main contributors to seasonal pollen exposure. Seasonal timing here follows the broader regional pattern typical of this part of the country. Allergy sufferers in Sault Ste. Marie generally plan around this same recurring seasonal rhythm.
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):
Low
18/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Medium
31/100
-
Ragweed (Ambrosia):
High
64/100
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
5/100
-
Willow (Salicaceae):
None
0/100
-
Mugwort (Artemisia):
Low
18/100
-
Ragweed (Ambrosia):
High
52/100
Air quality in Sault Ste. Marie
View air qualityPollen forecast for neighborhoods and landmarks in Sault Ste. Marie
Frequently Asked Questions
Is pollen high in Sault Ste. Marie right now?
On 9 August 2026, overall pollen levels in Sault Ste. Marie are high. Ambrosia is the main contributor to airborne pollen, while artemisia and grass remain at lower levels
Will pollen levels change in Sault Ste. Marie tomorrow?
On 10 August 2026, pollen conditions in Sault Ste. Marie will be different from today, with grass at low levels, ambrosia at high levels and artemisia continuing to decline
Is pollen expected to decrease in Sault Ste. Marie this week?
According to the five-day outlook, grass, ambrosia, and artemisia pollen levels will increase later in the week.
Which pollen types are currently active in Sault Ste. Marie?
On 9 August 2026, Ambrosia is the dominant pollen source in Sault Ste. Marie. artemisia and grass are also present but at lower levels. cypress are not currently active.
When is pollen season in Sault Ste. Marie?
How often is the Sault Ste. Marie pollen forecast updated?
The Sault Ste. Marie pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Sault Ste. Marie 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 Sault Ste. Marie 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 Sault Ste. Marie, 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 United States?
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Data provided by Airmine — Last update: 10 August 2026 at 02:34 CEST (Data is updated four times daily.)
This page provides the latest public pollen forecast for Sault Ste. Marie.
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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.