Thonon-les-Bains Pollen Forecast - Today, Tomorrow and the Week Ahead
Pollen Today
Today (10 October) pollen in Thonon-les-Bains is low; mold (alternaria) and mold (cladosporium) are low.
Pollen Tomorrow
Tomorrow (11 October 2026) levels are similar to today.
7-Day Trend
Over the next week mold (alternaria) and mold (cladosporium) will increase; cypress, grass, willow, and mugwort will remain stable.
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Pollen Risk
Today - 10 October
| 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 |
| Mold (Alternaria) | Low | 4/100 |
| Mold (Cladosporium) | Low | 10/100 |
Tomorrow - 11 October
| 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) | None | 0/100 | |
| Mold (Alternaria) | Low | 4/100 | |
| Mold (Cladosporium) | Low | 9/100 |
Local Environmental Conditions
The heart of Thonon-les-Bains is surrounded mainly by built-up land, with a good deal of woodland and some open water. Willow is the most prominent allergenic tree nearby, with alder and ash also present. Grass pollen is significant here, and pigweed and plantain contribute weed pollen. Compared with most places, alder is especially widespread here, which makes it one of the key local allergens.
Willow and ash follow in mid-spring, as temperatures climb to around 10°C, and tree pollen reaches its peak. Grasses take over in early summer, with temperatures around 20°C, and their pollen lingers into late summer. The season closes with pigweed and plantain from early summer into early fall. The alder period in late winter is usually the most intense time of year here.
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Frequently Asked Questions About Pollen in Auvergne-Rhône-Alpes
Is pollen high in Thonon-les-Bains right now?
Currently, there is no significant pollen in Thonon-les-Bains.
Will pollen levels change in Thonon-les-Bains tomorrow?
On 11 October 2026, pollen conditions in Thonon-les-Bains will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Thonon-les-Bains this week?
According to the five-day outlook, pollen levels are expected to remain relatively stable.
Which pollen types are currently active in Thonon-les-Bains?
On 10 October 2026, there are no significant pollen types in Thonon-les-Bains.
When is pollen season in Thonon-les-Bains?
How often is the Thonon-les-Bains pollen forecast updated?
The Thonon-les-Bains pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Thonon-les-Bains 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 Thonon-les-Bains 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 Thonon-les-Bains, 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 pollen scores represent risk levels, not direct pollen measurements. Higher scores indicate higher risk.
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).
