Troyes pollen forecast - today, tomorrow and the week ahead
Today (25 June) pollen in Troyes is medium; grass is medium; cypress is low. Tomorrow (26 June 2026) levels are similar - grass remains medium. Over the following five days cypress will increase; grass will decrease. Forecasts are calculated by Airmine using satellites to map local vegetation and determine pollen season onset.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Troyes' Parc Comtes de Champagne and the Seine River corridor feature oak, birch, and linden as the main tree pollen sources, with exposure varying between these green areas and the more built-up historic city centre. Surrounding Champagne farmland and the Forêt d'Orient woodland contribute substantial tree and grass pollen, while the Seine valley channels airflows and concentrates pollen across the historic textile city.
Today - 25 June
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
Low
4/100
-
Grass (Poaceae):
Medium
37/100
-
Willow (Salicaceae):
None
0/100
High pollen levels may trigger sneezing, itchy eyes, and congestion. Airmine's neighbourhood estimates use satellites to map local vegetation and a statistical prediction model, updated four times daily.
Tomorrow - 26 June
-
Alder (Alnus):
None
0/100
-
Birch (Betula):
None
0/100
-
Hazel (Corylus):
None
0/100
-
Cypress (Cupressaceae):
None
0/100
-
Grass (Poaceae):
Medium
30/100
-
Willow (Salicaceae):
None
0/100
Frequently Asked Questions
Is pollen high in Troyes right now?
On 25 June 2026, overall pollen levels in Troyes are moderate. Grass is the main contributor to airborne pollen, while cypress remain at lower levels
Will pollen levels change in Troyes tomorrow?
On 26 June 2026, pollen conditions in Troyes will be different from today, with grass at medium levels
Is pollen expected to decrease in Troyes this week?
According to the five-day outlook, grass pollen levels are expected to gradually decrease, while cypress pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Troyes?
On 25 June 2026, Grass is the dominant pollen source in Troyes. cypress are also present but at lower levels. willow, alder, birch, and hazel are not currently active.
When is pollen season in Troyes?
How often is the Troyes pollen forecast updated?
The Troyes pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Troyes 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 Troyes 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 Troyes, 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.
Want to see pollen forecasts for other cities in France?
Check pollen in other popular cities:
Data provided by Airmine — Last update: 25 Jun 2026, 09:01 CET (Data is updated four times daily.)
This page provides the latest public pollen forecast for Troyes.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.