Castelfranco Veneto pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Castelfranco Veneto is low; grass and mugwort are low.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week grass and 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) | Low | 2/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | Low | 2/100 |
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 | 4/100 | |
| Willow (Salicaceae) | None | 0/100 | |
| Mugwort (Artemisia) | Low | 4/100 |
Local Environmental Conditions
Surrounded by Veneto countryside and sitting on the Veneto plain between Treviso and Vicenza, Castelfranco Veneto sees oak and olive as the leading tree pollen source, with late grass pollen building steadily as the season advances. The contrast between green space and dense streets shapes how residents experience the season differently across town.
Spring in Castelfranco Veneto brings the sharpest pollen exposure, led by oak and olive after an early cypress and olive start; late grass pollen extends the season into summer, with the overall period running the winter-to-summer stretch from January to August. the Mediterranean climate's dry summer keeps autumn pollen minimal.
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Frequently Asked Questions About Pollen in Veneto
Is pollen high in Castelfranco Veneto right now?
On 20 September 2026, overall pollen levels in Castelfranco Veneto are low. Grass is the main contributor to airborne pollen, while artemisia remain at lower levels
Will pollen levels change in Castelfranco Veneto tomorrow?
On 21 September 2026, pollen conditions in Castelfranco Veneto will be similar to today, with grass at low levels, artemisia at low levels
Is pollen expected to decrease in Castelfranco Veneto this week?
According to the five-day outlook, grass and artemisia pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Castelfranco Veneto?
On 20 September 2026, Grass is the dominant pollen source in Castelfranco Veneto. artemisia are also present but at lower levels. willow and cypress are not currently active.
When is pollen season in Castelfranco Veneto?
How often is the Castelfranco Veneto pollen forecast updated?
The Castelfranco Veneto pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Castelfranco Veneto 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 Castelfranco Veneto 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 Castelfranco Veneto, 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).
