Wellfleet pollen forecast — Maurice’s Campground neighborhood
Pollen Today
Today (20 September) pollen in Maurice’s Campground, Wellfleet is moderate; ragweed is moderate; grass is low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week grass and ragweed will decrease; mugwort will remain stable.
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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) | Low | 23/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | Moderate | 33/100 |
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 | 20/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | None | 0/100 | |
| Ragweed (Ambrosia) | Moderate | 31/100 |
Local Environmental Conditions
At Maurice’s Campground, hazel and willow crowd the water's edge, both classic sources of early allergenic pollen; this sits close by. Here, within the local area, tree cover made up mostly of oak and birch, both significant spring allergen sources. Local readings for the surrounding area tend to follow this same general pattern.
Around Maurice’s Campground, near the bank, hazel and willow lead the seasonal calendar, hitting its peak before most trees have even budded, around late winter into March. As spring turns to summer, grass pollen rises toward its June high, followed by ragweed's own peak stretch from mid-August into October. Small variations in local weather can nudge these windows a few days in either direction.
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Resource Hub
Pollen forecast neighborhoods 3 neighborhoods
Sports venues in Wellfleet 1 sports venue
Frequently Asked Questions About Pollen in Massachusetts
Is pollen high in Wellfleet right now?
On 20 September 2026, overall pollen levels in Wellfleet are moderate. Ambrosia is the main contributor to airborne pollen, while grass remain at lower levels
Will pollen levels change in Wellfleet tomorrow?
On 21 September 2026, pollen conditions in Wellfleet will be similar to today, with grass at low levels, ambrosia at moderate levels
Is pollen expected to decrease in Wellfleet this week?
According to the five-day outlook, grass and ambrosia pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Wellfleet?
On 20 September 2026, Ambrosia is the dominant pollen source in Wellfleet. grass are also present but at lower levels. artemisia are not currently active.
When is pollen season in Wellfleet?
How often is the Wellfleet pollen forecast updated?
The Wellfleet pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Wellfleet 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 Wellfleet 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 Wellfleet, 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).
