Pollen Count
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Pollen Count in La Rochelle

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In La Rochelle, France, trees start producing pollen in February. This is the start of pollen season. Trees like oak, birch, and hazel release tiny particles into the air.

Updated: 2/27/2026

In March and April, grasses and weeds join in, releasing even more pollen. The air is filled with tiny particles. This is usually the worst time for people who don't like pollen.

In May, the trees stop producing pollen, but grasses and weeds keep going. The pollen count starts to go down. The air is a little clearer.

By June, most plants have stopped producing pollen. The pollen count is low. The air is clean and fresh again. Summer has arrived!

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 La Rochelle 🌾. 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 0.2 0 0 0 0 0
Feb 45.7 0 0 0 0 0
Mar 59.8 166.1 8.7 0 0 0
Apr 7.4 352.6 59.9 0 0.4 0
May 0.8 15.3 416.4 0 8.9 0
Jun 0 0.1 695.2 0.1 1.1 0
Jul 0 0 270.5 13.3 0 0
Aug 0 0 97.1 20.3 0 3.5
Sep 0 0 8.7 9.2 0 1
Oct 0 0 2.1 1.3 0 0
Nov 0 0 0.1 0.1 0 0
Dec 0 0 0 0 0 0

Nearby Places

Disclaimer * The pollen count information provided for La Rochelle 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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