Whiteface Reservoir pollen forecast — Whiteface Reservoir Recreation Area neighborhood
Pollen Today
Today (20 September) pollen in Whiteface Reservoir Recreation Area, Whiteface Reservoir is low; ragweed is low.
Pollen Tomorrow
Tomorrow (21 September 2026) ragweed no longer expected.
7-Day Trend
Over the next week grass, mugwort, and ragweed will increase.
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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) | Low | 4/100 |
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) | None | 0/100 |
Local Environmental Conditions
For Whiteface Reservoir Recreation Area, hazel and willow thrive along the damp bank, both prolific early wind-pollinators, a short distance from here. Comparable land cover in surrounding areas tends to produce a similar pollen mix overall. Local microclimate and soil conditions can push these figures slightly higher or lower. The broader area tends to mirror this pattern, with only minor local variation.
Around Whiteface Reservoir Recreation Area, along the waterway, hazel and willow release pollen first, getting an early start, typically cresting between February and March. As spring turns to summer, grass pollen rises toward its June high, with ragweed climbing to its own high point from mid-August through October. Small variations in local weather can nudge these windows a few days in either direction.
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Pollen forecast neighborhoods 2 neighborhoods
Frequently Asked Questions About Pollen in Minnesota
Is pollen high in Whiteface Reservoir right now?
On 20 September 2026, overall pollen levels in Whiteface Reservoir are low. Ambrosia is the main contributor to airborne pollen
Will pollen levels change in Whiteface Reservoir tomorrow?
On 21 September 2026, pollen conditions in Whiteface Reservoir will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Whiteface Reservoir 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 Whiteface Reservoir?
On 20 September 2026, Ambrosia is the dominant pollen source in Whiteface Reservoir. artemisia and grass are not currently active.
When is pollen season in Whiteface Reservoir?
How often is the Whiteface Reservoir pollen forecast updated?
The Whiteface Reservoir pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Whiteface Reservoir 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 Whiteface Reservoir 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 Whiteface Reservoir, 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. |
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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).
