Pollen Count
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Pollen Count in Mechelen

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In Mechelen, trees release pollen in early spring. This is usually in March and April. Trees like oak, birch, and beech are the biggest pollen producers.

Updated: 2/11/2026

In May and June, grasses release pollen. This is the biggest pollen season in Mechelen. Many people notice symptoms during this time.

In late summer, weeds like nettle and sorrel release pollen. This is usually in July and August. These plants produce less pollen than trees and grasses.

Pollens levels are usually low in winter. This is because most plants are dormant during this time. It's a good time for people who have pollen allergies to enjoy the outdoors.

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 Mechelen 🌾. 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 73.3 0 0 0 0 0
Mar 640.1 315.8 0 0 0 0
Apr 3.9 2365.8 14.5 0 0 0
May 0.6 97.4 131.8 0 1.3 0
Jun 0 0.2 985.2 43.8 0.3 0
Jul 0 0.3 335.7 274.7 0 0
Aug 0 0 80.4 68.5 0 1.5
Sep 0 0 6.8 3.3 0 2.6
Oct 0 0 0.4 0.2 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 Mechelen 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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