Bordeaux pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Bordeaux is high; mugwort is high.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week mugwort will decrease; cypress, grass, 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) | High | 69/100 |
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) | High | 62/100 |
Local Environmental Conditions
Bordeaux's wine country urban vegetation, anchored by Parc Bordelais and the Garonne River corridor, features oak, plane, and pine as the main tree pollen sources, with exposure varying between these green areas and the more built-up city centre. Surrounding Gironde wine country and the Landes pine forest contribute substantial tree and grass pollen, while the Atlantic oceanic climate means more frequent rainfall than in southern France provides regular interruptions throughout.
Bordeaux's pollen season runs from January through August, opening with hazel and alder from January before oak and birch peak through April and May. Grass pollen peaks through June and July. The Atlantic oceanic climate means more frequent rainfall than in southern France provides regular interruptions throughout the season, while surrounding Gironde wine country and the Landes pine forest contribute substantial tree and grass pollen under prevailing southwesterly winds.
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Resource Hub
Sports venues in Bordeaux 6 sports venues
Frequently Asked Questions About Pollen in Nouvelle-Aquitaine
Is pollen high in Bordeaux right now?
On 20 September 2026, overall pollen levels in Bordeaux are high. Artemisia is the main contributor to airborne pollen
Will pollen levels change in Bordeaux tomorrow?
On 21 September 2026, pollen conditions in Bordeaux will be similar to today, with artemisia at high levels
Is pollen expected to decrease in Bordeaux this week?
According to the five-day outlook, artemisia pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Bordeaux?
On 20 September 2026, Artemisia is the dominant pollen source in Bordeaux. cypress, grass, and willow are not currently active.
When is pollen season in Bordeaux?
How often is the Bordeaux pollen forecast updated?
The Bordeaux pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Bordeaux 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 Bordeaux 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 Bordeaux, 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).
