Val d'Isere pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Val d'Isere is none
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week cypress, grass, willow, and mugwort will remain stable.
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Features and forecast availability vary by region.
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) | None | 0/100 |
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) | None | 0/100 |
Local Environmental Conditions
Val d'Isere's public gardens and the nearby Rhone are lined with birch and oak, the main local tree pollen sources. The alpine valley pasture and orchards nearby are a major source of grass pollen later in the season, with the alpine-continental climate influencing the intensity and timing of exposure.
Across Val d'Isere, the first pollen of the year comes from hazel and alder in late January, before giving way to birch and oak, which peaks in April and May, before grass from alpine valley farmland then dominates into early summer, a rhythm shaped by the area's alpine-continental climate.
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Frequently Asked Questions About Pollen in Auvergne-Rhône-Alpes
Is pollen high in Val d'Isere right now?
Currently, there is no significant pollen in Val d'Isere.
Will pollen levels change in Val d'Isere tomorrow?
On 21 September 2026, pollen conditions in Val d'Isere will be similar to today with no significant pollen expected.
Is pollen expected to decrease in Val d'Isere this week?
According to the five-day outlook, pollen levels are expected to remain relatively stable.
Which pollen types are currently active in Val d'Isere?
On 20 September 2026, there are no significant pollen types in Val d'Isere.
When is pollen season in Val d'Isere?
How often is the Val d'Isere pollen forecast updated?
The Val d'Isere pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Val d'Isere 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 Val d'Isere 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 Val d'Isere, 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).
