Marblehead pollen forecast — Marblehead Neck neighborhood
Pollen Today
Today (20 September) pollen in Marblehead Neck, Marblehead is low; ragweed is low.
Pollen Tomorrow
Tomorrow (21 September 2026) ragweed remains low, grass at low levels, 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) | None | 0/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | Low | 5/100 |
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 | 9/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 5/100 | |
| Ragweed (Ambrosia) | Low | 14/100 |
Local Environmental Conditions
Located close to home here, this area has hazel and willow grow along the bank, contributing some of the season's earliest allergenic pollen. Nearby, within the neighborhood, this park's mix of turf and landscaped trees contributes a modest grass and ragweed pollen load. Nearby weather stations report comparable trends across the broader stretch of the county.
Hazel and willow along the water get the season underway before other species, arriving ahead of the rest of the season, cresting around late winter. Grass pollen climbs toward a June peak, and ragweed later takes the lead from mid-August through October. Regional pollen monitoring generally reflects this same pattern across nearby areas.
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Pollen forecast neighborhoods 2 neighborhoods
Frequently Asked Questions About Pollen in Massachusetts
Is pollen high in Marblehead right now?
On 20 September 2026, overall pollen levels in Marblehead are low. Ambrosia is the main contributor to airborne pollen
Will pollen levels change in Marblehead tomorrow?
On 21 September 2026, pollen conditions in Marblehead will be different from today, with ambrosia at low levels, artemisia at low levels, grass at low levels
Is pollen expected to decrease in Marblehead this week?
According to the five-day outlook, ambrosia, artemisia, and grass pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Marblehead?
On 20 September 2026, Ambrosia is the dominant pollen source in Marblehead. artemisia and grass are not currently active.
When is pollen season in Marblehead?
How often is the Marblehead pollen forecast updated?
The Marblehead pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Marblehead 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 Marblehead 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 Marblehead, 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).
