Mount Morris Charter Township pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Mount Morris Charter Township is high; ragweed is high; grass is moderate; mugwort is low.
Pollen Tomorrow
Tomorrow (21 September 2026) grass declining, ragweed 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 | 40/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Low | 13/100 |
| Ragweed (Ambrosia) | High | 54/100 |
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 | 15/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | None | 0/100 | |
| Ragweed (Ambrosia) | Moderate | 28/100 |
Local Environmental Conditions
Hazel and willow crowd the water's edge, both classic sources of early allergenic pollen, a comfortable 500 meters away. Located just 50m from here, this area has woodland dominated by oak and birch, with birch a leading regional tree-pollen allergen. Nearby weather stations report comparable trends across the broader stretch of the county.
Water-edge hazel and willow are usually the first allergenic trees active here, arriving ahead of the rest of the season, cresting around late winter. By mid-spring, oak and birch in the woods take over, generally peaking somewhere between April and May. Through late spring, grass pollen climbs steadily toward its June peak, with ragweed climbing to its own high point from mid-August through October.
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Frequently Asked Questions About Pollen in Michigan
Is pollen high in Mount Morris Charter Township right now?
On 20 September 2026, overall pollen levels in Mount Morris Charter Township are high. Ambrosia is the main contributor to airborne pollen, while grass and artemisia remain at lower levels
Will pollen levels change in Mount Morris Charter Township tomorrow?
On 21 September 2026, pollen conditions in Mount Morris Charter Township will be different from today, with grass, ambrosia continuing to decline
Is pollen expected to decrease in Mount Morris Charter Township 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 Mount Morris Charter Township?
On 20 September 2026, Ambrosia is the dominant pollen source in Mount Morris Charter Township. grass and artemisia are also present but at lower levels.
When is pollen season in Mount Morris Charter Township?
How often is the Mount Morris Charter Township pollen forecast updated?
The Mount Morris Charter Township pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Mount Morris Charter Township 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 Mount Morris Charter Township 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 Mount Morris Charter Township, 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).
