Snow Lake pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Snow Lake is moderate; ragweed is moderate.
Pollen Tomorrow
Tomorrow (21 September 2026) ragweed increasing.
7-Day Trend
Over the next week ragweed will decrease; grass and mugwort will remain stable.
Explore Forecasts
Pollen Risk
Today - 20 September
| 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) | None | 0/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | Moderate | 45/100 |
Tomorrow - 21 September
| 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) | None | 0/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | None | 0/100 | |
| Ragweed (Ambrosia) | High | 62/100 |
Local Environmental Conditions
Snow Lake's Canadian Shield setting features black spruce, jack pine, and exposed granite rock outcrops as pollen sources at this remote northern Manitoba gold-mining town.
Tucked into rocky Canadian Shield terrain near a mining operation, Snow Lake experiences one of the shortest, coolest pollen seasons in Manitoba, with spruce and birch producing a delayed spring bloom, while the surrounding forested, lake-studded landscape keeps grass and ragweed exposure minimal compared with the province's open farming south.
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Frequently Asked Questions About Pollen in Manitoba
Is pollen high in Snow Lake right now?
On 20 September 2026, overall pollen levels in Snow Lake are moderate. Ambrosia is the main contributor to airborne pollen
Will pollen levels change in Snow Lake tomorrow?
On 21 September 2026, pollen conditions in Snow Lake will be different from today, with ambrosia increasing
Is pollen expected to decrease in Snow Lake this week?
According to the five-day outlook, ambrosia pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Snow Lake?
On 20 September 2026, Ambrosia is the dominant pollen source in Snow Lake. artemisia and grass are not currently active.
When is pollen season in Snow Lake?
How often is the Snow Lake pollen forecast updated?
The Snow Lake pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Snow Lake 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 Snow Lake 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 Snow Lake, 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 scores represent risk levels, not direct measurements of pollen or air pollutant concentrations. Higher scores indicate higher risk. Pollen and air quality use different thresholds.
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).