Pollen Count
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Pollen Count in Cheltenham

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Cheltenham has four main pollen seasons. Tree pollen starts in March and April. Trees like oak, elm, and ash release pollen. This makes spring air feel dusty.

Updated: 2/11/2026

Grass pollen season starts in May and June. Grass pollen is very common. Many people feel unwell during this time. Pollen counts are usually high on warm sunny days.

Weed pollen season happens in July and August. Weeds like ragwort and nettle release pollen. This pollen can travel far. It makes people feel uncomfortable outside.

Winter months have low pollen counts. From November to February, trees and plants are quiet. There is little to no pollen in the air during these months.

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 Cheltenham 🌾. 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 17.7 0 0 0 0 0
Mar 177.7 34.9 0 0 0 0
Apr 62.8 1222.1 5.1 0 0 0
May 0.2 46.7 105 0 0.2 0
Jun 0 0 1216.1 13.5 0.1 0
Jul 0 0.1 786.8 121.8 0 0
Aug 0 0 103.7 23 0 0.1
Sep 0 0 4.3 0.1 0 0.8
Oct 0 0 0 0 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 Cheltenham 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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