Pollen Count in St-Malo

Values in gr/m³ (pollen grains per cubic metre).

4-Day Chart
Annual Overview

📱 Know your air. Daily St-Malo pollen levels on your iPhone.

St-Malo, France has pollen seasons. Trees release pollen in spring. Oak, birch, and hazel trees produce a lot of pollen. This happens from March to May.

Grass pollen is a problem in summer. From May to July, grass pollen fills the air. People notice more pollen on sunny and windy days.

Weed pollen is a issue in late summer. From August to October, weeds like ragweed release pollen. This pollen can travel far and cause problems.

Weather affects pollen seasons. Rain helps wash pollen away. Warm and sunny weather makes pollen spread. Windy days make pollen travel far and wide.

Updated: 25 Oct 2026.

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 St-Malo 🌾. 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	7.8	0	0	0	0	0
Mar	118	53.3	0.4	0	0	0
Apr	3.9	635.2	18.1	0	0	0
May	0.5	39.3	102.8	0	2.2	0
Jun	0	0	384.1	1	0.3	0
Jul	0	0	137.4	15	0	0
Aug	0	0	42.7	8.6	0	0.6
Sep	0	0	5.8	5.6	0	0.8
Oct	0	0	0.6	1.2	0	0
Nov	0	0	0	0.1	0	0
Dec	0	0	0	0	0	0

Values in gr/m³ (pollen grains per cubic metre).

Nearby Places

Disclaimer * The pollen count information provided for St-Malo 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.