Stoughton pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Stoughton is moderate; grass and ragweed are moderate.
Pollen Tomorrow
Tomorrow (21 September 2026) grass remains moderate, ragweed increasing, mugwort at low levels.
7-Day Trend
Over the next week grass, mugwort, and ragweed will decrease.
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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 | 26/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | Moderate | 36/100 |
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) | Moderate | 41/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 13/100 | |
| Ragweed (Ambrosia) | High | 52/100 |
Local Environmental Conditions
For Stoughton, nearby, within the local area, hazel and willow line the water's edge, releasing pollen that carries easily on the wind. Nearby, close to this spot, birch and oak share the canopy here, birch pollen in particular known to travel far on the wind. Here, within easy reach, a park where mown turf grass and ornamental trees add grass and ragweed pollen.
At Stoughton, hazel and willow by the water are typically first out of the gate, climbing steadily from late winter into March. The woodland's oak and birch trees become the main pollen source by mid-spring, climbing steadily through spring to a peak in April or May. Moving into early summer, grass pollen climbs to its seasonal high in June, before ragweed becomes the more dominant allergen from mid-August into October.
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Resource Hub
Pollen forecast neighborhoods 1 neighborhood
Sports venues in Stoughton 1 sports venue
Frequently Asked Questions About Pollen in Massachusetts
Is pollen high in Stoughton right now?
On 20 September 2026, overall pollen levels in Stoughton are moderate. Grass is the main contributor to airborne pollen, while ambrosia remain at lower levels
Will pollen levels change in Stoughton tomorrow?
On 21 September 2026, pollen conditions in Stoughton will be different from today, with grass at moderate levels, artemisia at low levels and ambrosia increasing
Is pollen expected to decrease in Stoughton this week?
According to the five-day outlook, grass, ambrosia, and artemisia pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Stoughton?
On 20 September 2026, Grass is the dominant pollen source in Stoughton. ambrosia are also present but at lower levels. artemisia are not currently active.
When is pollen season in Stoughton?
How often is the Stoughton pollen forecast updated?
The Stoughton pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Stoughton 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 Stoughton 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 Stoughton, 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).
