Pollen Count in Helsingfors

4-Day Chart
Annual Overview

Pollen allergy is a common problem in Helsingfors, Finland. It occurs when the body's immune system reacts to pollen from trees, grasses, and weeds.

Updated: 2/9/2026

In Helsingfors, the pollen season starts in late March and ends in late August. There are three main pollen seasons: tree pollen, grass pollen, and weed pollen.

The tree pollen season is the longest, lasting from late March to mid-May. During this time, birch, alder, and hazel trees release their pollen. The peak pollen count usually occurs in early April.

The grass pollen season is shorter, lasting from mid-June to mid-July. Weed pollen season starts in late July and ends in late August. People with pollen allergies can take steps to avoid pollen and reduce their symptoms during these seasons.

Pollen Forecast Chart

Recommendations

When pollen concentrations reach a peak, we suggest these simple steps to help with hay fever. These tips are extra important on windy days when plants are in peak anthesis (the time when they release the most pollen).

Wear masks if necessary
Shower after going out
Wear sunglasses if windy
Close windows and doors
Use an indoor air purifier
Avoid wearing woolen clothes outside
Limit outdoor activities

Annual Pollen Overview

Check out this month-by-month overview of the daily average pollen count in Helsingfors 🌾. This data is based on previous years and serves as a guideline to help you understand when different pollen seasons typically occur in your city.

	Alder	Birch	Grass	Mugwort	Ragweed
Jan	0.1	0	0	0	0
Feb	1.2	0	0	0	0
Mar	291	11.6	0	0	0
Apr	83.9	2480.8	0	0	0
May	1.5	8416.2	7.2	0	0
Jun	0	61	118.2	0.1	0
Jul	0	3.3	158.6	53.8	0
Aug	0	0	26.9	23.1	0.2
Sep	0	0	2	0.2	61.1
Oct	0	0	0	0	0
Nov	0	0	0	0	0
Dec	0	0	0	0	0

Nearby Places

Disclaimer * The pollen count information provided for Helsingfors is for educational purposes only, sourced from the CAMS European air quality database. We cannot guarantee its accuracy or reliability. This information is not a substitute for professional medical advice. Consult a qualified healthcare provider for medical concerns. We are not medical professionals.