Pollen Count
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Pollen Count in Montréal

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Montréal, France experiences cold winters. Snow melts in spring, and trees start to bloom. Trees like oak, birch, and maple produce a lot of pollen.

Updated: 2/10/2026

Spring is the main pollen season. Trees release pollen into the air from March to May. Pollen counts are usually highest in April.

Grasses and weeds also produce pollen. Grass pollen season starts in late spring and lasts through summer. Weeds like ragweed produce pollen in late summer.

In Montréal, France, pollen seasons end with autumn. Trees stop producing pollen in October. Winter months have very little pollen in the air.

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 Montréal 🌾. 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 1.6 0 0 0 0 0
Feb 62.9 0 0.2 0 0 0
Mar 14.6 190.2 9.2 0 0.1 0
Apr 0.8 46.2 58 0 4.6 0
May 0.2 4 372.7 0 12.1 0
Jun 0.1 1.6 438.1 0 3.4 0
Jul 0 0 194.7 2.8 0 0.7
Aug 0 0 77.8 3.7 0 26.8
Sep 0 0 9.4 4.8 0 14.2
Oct 0 0 1.1 0.4 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 Montréal 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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