Pollen Count
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Pollen Count in Bretagne

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Bretagne, France has a special region with lots of trees, grass, and flowers. Pollen from these plants fills the air. There are different types of pollen.

Updated: 2/14/2026

Trees like oak, birch, and chestnut release pollen in spring. This usually happens from March to May. The pollen count is high during this time.

Grass pollen fills the air in late spring and early summer. This is from May to July. Many people stay indoors when the grass pollen count is high.

Weeds like ragweed release pollen in late summer and fall. This is from August to October. The pollen count can still be high even in autumn.

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).

Annual Pollen Overview

Check out this month-by-month overview of the daily average pollen count in Bretagne 🌾. 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 17.8 0 0 0 0 0
Feb 236.1 0 0 0 0 0
Mar 104.1 186.9 0 0 0 0
Apr 4.1 1531.2 25.6 0 0.2 0
May 0.3 70.7 350.2 0 2.1 0
Jun 0 2.3 1376.1 0.6 3.7 0
Jul 0 0.1 434.9 22 0 0
Aug 0 0 80.1 39.8 0 25.5
Sep 0 0 5.4 21.4 0 21.9
Oct 0 0 0.2 2.8 0 0
Nov 0 0 0 0 0 0
Dec 0 0 0 0 0 0

Nearby Places

Disclaimer * The pollen count information provided for Bretagne 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.
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