Pollen Count in Caen

4-Day Chart
Annual Overview

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Caen, France has pollen seasons. Trees release pollen in spring. Oak, birch, and plane trees are main pollen producers. Pollen levels rise in March and April.

Updated: 3/21/2026

Grass pollen fills the air in late spring and early summer. May and June are peak months. Grasses and weeds release most pollen during these months.

Weeds release pollen in late summer and early fall. August and September have moderate pollen levels. Some trees, like cypress, release pollen during these months.

Pollen levels decrease in winter. December, January, and February have low pollen counts. It's a relief for people sensitive to pollen during these months.

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 Caen 🌾. 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	Olive	Ragweed
Jan	0	0	0	0	0	0
Feb	5.8	0	0	0	0	0
Mar	233.2	83	0.1	0	0	0
Apr	3	1177.3	20.5	0	0	0
May	0.6	46.4	175.4	0	3.7	0
Jun	0	0	988.8	14.2	1.7	0
Jul	0	0	343.9	177.7	0	0
Aug	0	0	79.7	60.8	0	0.1
Sep	0	0	6.3	39.6	0	2.4
Oct	0	0	0.2	4.2	0	0
Nov	0	0	0	0.1	0	0
Dec	0	0	0	0	0	0

Nearby Places

Disclaimer * The pollen count information provided for Caen 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.