Chulmleigh pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Chulmleigh is moderate; mugwort is moderate.
Pollen Tomorrow
Tomorrow (21 September 2026) mugwort remains moderate, grass at low levels.
7-Day Trend
Over the next week grass will increase; mugwort will decrease; 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 | 40/100 |
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 | 1/100 | |
| Willow (Salicaceae) | None | 0/100 | |
| Mugwort (Artemisia) | Moderate | 49/100 |
Local Environmental Conditions
Residents in Chulmleigh dealing with hay fever usually point to plane and lime as the culprits, particularly in spring near parks and gardens. Surrounding Devon farmland contributes substantial grass and tree pollen, moving into town when winds blow from the west. This mix of urban and rural influence gives Chulmleigh a fairly typical pollen pattern for the wider region.
If you're wondering when hay fever kicks off in Chulmleigh, it's mostly down to plane and lime. Don't forget grass, either — it runs May to September and usually causes the most trouble in June and July. You'll usually see plane pollen from around April through June, while lime follows on from 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 Devon
Is pollen high in Chulmleigh right now?
On 20 September 2026, overall pollen levels in Chulmleigh are moderate. Artemisia is the main contributor to airborne pollen
Will pollen levels change in Chulmleigh tomorrow?
On 21 September 2026, pollen conditions in Chulmleigh will be different from today, with artemisia at moderate levels, grass at low levels
Is pollen expected to decrease in Chulmleigh this week?
According to the five-day outlook, artemisia pollen levels are expected to gradually decrease, while grass pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Chulmleigh?
On 20 September 2026, Artemisia is the dominant pollen source in Chulmleigh. cypress, grass, and willow are not currently active.
When is pollen season in Chulmleigh?
How often is the Chulmleigh pollen forecast updated?
The Chulmleigh pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Chulmleigh 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 Chulmleigh 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 Chulmleigh, 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. |
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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).
