Revere pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Revere 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 | 34/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | Moderate | 37/100 |
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 | 48/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | Low | 13/100 | |
| Ragweed (Ambrosia) | High | 52/100 |
Local Environmental Conditions
Revere's Boston Harbor Massachusetts coastal setting features oak, maple, and sweetgum as the main tree pollen sources, with exposure varying between the limited greener residential areas and the more built-up commercial and beachfront corridors along Revere Beach Boulevard. The Revere Beach position means strong onshore breezes can periodically suppress local pollen dispersal, while the urban Boston metropolitan area means the urban heat island extends the season slightly compared to more rural coastal communities.
Revere's Boston suburban setting on Massachusetts Bay produces a season opening in late March with elm and maple before birch and oak peak through May. Grass from surrounding New England land peaks through June and July before mugwort and nettle extend exposure into September. The Massachusetts Bay coastal position moderates temperatures, while the urban Boston metropolitan setting means the urban heat island extends the season slightly.
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Pollen forecast neighborhoods 1 neighborhood
Frequently Asked Questions About Pollen in Massachusetts
Is pollen high in Revere right now?
On 20 September 2026, overall pollen levels in Revere are moderate. Ambrosia is the main contributor to airborne pollen, while grass remain at lower levels
Will pollen levels change in Revere tomorrow?
On 21 September 2026, pollen conditions in Revere will be different from today, with artemisia at low levels, grass at moderate levels and ambrosia increasing
Is pollen expected to decrease in Revere 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 Revere?
On 20 September 2026, Ambrosia is the dominant pollen source in Revere. grass are also present but at lower levels. artemisia are not currently active.
When is pollen season in Revere?
How often is the Revere pollen forecast updated?
The Revere pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Revere 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 Revere 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 Revere, 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).
