Watton Norfolk pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Watton Norfolk 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 | 26/100 |
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 | 39/100 |
Local Environmental Conditions
Tree pollen in Watton Norfolk comes mostly from sycamore and oak, with parks and mature gardens standing in contrast to the more built-up centre. The nearby nearby woodland adds further grass and tree pollen exposure, particularly under the region's typical south-westerlies. This mix of urban and rural influence gives Watton Norfolk a fairly typical pollen pattern for the wider region.
If you're wondering when hay fever kicks off in Watton Norfolk, it's mostly down to sycamore and oak. Sycamore tends to release pollen between April and June, and oak keeps things going from April right through to May. Then grass pollen takes the baton from May all the way to September, usually peaking in June and July — that's when most people really feel it. Good to know if you're planning anything outdoors that time of year.
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Frequently Asked Questions About Pollen in Norfolk
Is pollen high in Watton Norfolk right now?
On 20 September 2026, overall pollen levels in Watton Norfolk are moderate. Artemisia is the main contributor to airborne pollen
Will pollen levels change in Watton Norfolk tomorrow?
On 21 September 2026, pollen conditions in Watton Norfolk will be similar to today, with artemisia at moderate levels
Is pollen expected to decrease in Watton Norfolk 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 Watton Norfolk?
On 20 September 2026, Artemisia is the dominant pollen source in Watton Norfolk. cypress, grass, and willow are not currently active.
When is pollen season in Watton Norfolk?
How often is the Watton Norfolk pollen forecast updated?
The Watton Norfolk pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Watton Norfolk 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 Watton Norfolk 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 Watton Norfolk, 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).
