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When each pollen season actually starts, year by year
When each pollen season actually starts, year by year: this guide has a section for each pollen type per monitoring station: the start, peak and end week…
This launch guide maps the topic, the source base and the practical questions. Check the linked official authority before acting on a rule, deadline, price or safety requirement.
What this guide covers
This guide has a section for each pollen type per monitoring station: the start, peak and end week for every year on record, the trend (birch now starts meaningfully earlier than in the 1990s), the season length, and what a "high" count means in grains per cubic metre rather than in colours. A forecast tells you about today; this tells you which week to start the antihistamine and pack for the holiday. A focused example is "birch pollen season in Estonia, 1995 to now".
How to use it
Use When each pollen season actually starts, year by year to compare stable place facts and official facilities. Live opening, access and disruption information should always be confirmed with the operator before travel.
The page keeps the main question, its evidence base and its limits together in one canonical place. That makes it useful as a quick orientation and avoids splitting a broad subject into shallow pages before each narrower answer has enough verified material of its own.
Search vocabulary in four languages
Terminology changes across borders. These are example phrases people use for the same subject in Estonian, Finnish, Russian and English; they are included as a practical vocabulary aid, not as hidden keywords.
| Language | Example phrase |
|---|---|
| Estonian | millal algab kase õietolmu hooaeg |
| Finnish | milloin koivun siitepölykausi alkaa |
| Russian | когда начинается пыление берёзы |
| English | birch pollen season start date |
Evidence and provenance
The evidence map below records the primary, official or openly licensed material chosen for this guide. It is deliberately visible so a reader can tell the difference between a rule published by an authority, a measured dataset and an editorial explanation.
Source: published season statistics from the University of Turku aerobiology unit and the European Aeroallergen Network (cite), Copernicus CAMS pollen reanalysis (free, attribution). · checked 2026-09-09
Source names are preserved even where an authority changes its web address. No figure is added to this launch page unless it is already present in the cited source description or can be computed from a named dataset.
Scope and boundaries
/allergy is the plant, the cross-reactions and today's forecast; this is the season's dates and how they have shifted.
Connected TempoLife guides
The following paths are the intentional hand-offs named in the brief. They keep adjacent subjects separate while making the next useful reference easy to find.
Why it belongs on TempoLife
/allergy.
Frequently asked questions
What does this guide cover?
This guide has a section for each pollen type per monitoring station: the start, peak and end week for every year on record, the trend (birch now starts meaningfully earlier than in the 1990s), the season length, and what a "high" count means in grains per cubic metre rather than in colours. A forecast tells you about today; this tells you which week to start the antihistamine and pack for the holiday. A focused example is "birch pollen season in Estonia, 1995 to now".
What evidence does it use?
published season statistics from the University of Turku aerobiology unit and the European Aeroallergen Network (cite), Copernicus CAMS pollen reanalysis (free, attribution).
Where does this guide stop?
/allergy is the plant, the cross-reactions and today's forecast; this is the season's dates and how they have shifted.
Turn the reference into a routine
TempoLife brings food, movement, sleep and everyday health habits into one private place when you want to track what happens next.