De Sales Center pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in De Sales Center is moderate; grass is moderate; mugwort and ragweed are low.
Pollen Tomorrow
Tomorrow (21 September 2026) ragweed remains low, grass declining, mugwort 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) | Moderate | 43/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Low | 8/100 |
| Ragweed (Ambrosia) | Low | 25/100 |
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) | Low | 19/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | None | 0/100 | |
| Ragweed (Ambrosia) | Low | 2/100 |
Local Environmental Conditions
In De Sales Center, Columbia Township, hazel and willow crowd the edge of the nearby bank, releasing pollen on the breeze. Around De Sales Center, Columbia Township, oak and birch grow thick in a nearby forest; birch is a notorious spring allergen. De Sales Center, Columbia Township has a local park adds a steady trickle of grass and ragweed pollen through its open lawns.
Waterside hazel and willow bloom first, cresting most years in February or March. As spring advances, oak and birch pollen rises, peaking in April or May. Grass pollen builds through late spring and peaks in June. Ragweed then takes over from mid-August through October. Local weather can nudge these windows by a few days either way.
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Frequently Asked Questions About Pollen in Michigan
Is pollen high in De Sales Center right now?
On 20 September 2026, overall pollen levels in De Sales Center are moderate. Grass is the main contributor to airborne pollen, while ambrosia and artemisia remain at lower levels
Will pollen levels change in De Sales Center tomorrow?
On 21 September 2026, pollen conditions in De Sales Center will be different from today, with ambrosia at low levels and grass continuing to decline
Is pollen expected to decrease in De Sales Center 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 De Sales Center?
On 20 September 2026, Grass is the dominant pollen source in De Sales Center. ambrosia and artemisia are also present but at lower levels.
When is pollen season in De Sales Center?
How often is the De Sales Center pollen forecast updated?
The De Sales Center pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in De Sales Center 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 De Sales Center 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 De Sales Center, 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).
