Broadstairs pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Broadstairs is moderate; mugwort is moderate.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week grass and mugwort will increase; cypress and willow 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) | None | 0/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Moderate | 49/100 |
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) | None | 0/100 | |
| Willow (Salicaceae) | None | 0/100 | |
| Mugwort (Artemisia) | Moderate | 49/100 |
Local Environmental Conditions
Broadstairs's parks and green spaces feature birch and lime as the main tree pollen sources, with exposure varying between these greener areas and the more built-up town centre. Surrounding Kent farmland contributes substantial grass and tree pollen, moving into town when winds blow from the east. This combination means residents feel both urban and rural pollen sources depending on which way the wind's blowing.
In Broadstairs, the pollen calendar starts with birch and rolls straight into lime. Grass season overlaps a lot of this too, running May through September and peaking mid-summer. Birch pollen typically runs from March to May, before lime takes over, usually May to July. Worth factoring in if hay fever's ever been an issue for you here.
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Frequently Asked Questions About Pollen in Kent
Is pollen high in Broadstairs right now?
On 20 September 2026, overall pollen levels in Broadstairs are moderate. Artemisia is the main contributor to airborne pollen
Will pollen levels change in Broadstairs tomorrow?
On 21 September 2026, pollen conditions in Broadstairs will be similar to today, with artemisia at moderate levels
Is pollen expected to decrease in Broadstairs this week?
According to the five-day outlook, artemisia and grass pollen levels will increase later in the week.
Which pollen types are currently active in Broadstairs?
On 20 September 2026, Artemisia is the dominant pollen source in Broadstairs. cypress, grass, and willow are not currently active.
When is pollen season in Broadstairs?
How often is the Broadstairs pollen forecast updated?
The Broadstairs pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Broadstairs 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 Broadstairs 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 Broadstairs, 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).
