Pollen Count
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Pollen Count in Istanbul

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Istanbul has two main pollen seasons. Spring pollen season starts in March and lasts until May. Trees and flowers release pollen into the air during this time.

Updated: 2/14/2026

Grass and weeds release pollen in summer. This usually happens in June and July. Pollen counts are usually lower in summer than in spring.

Some trees release pollen in autumn. This happens in September and October. Pollen counts are generally lower in autumn than in spring.

Winters are usually pollen-free in Istanbul. Cold weather means trees and flowers do not release much pollen. It's a good time to be outside without pollen.

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 Istanbul 🌾. 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 0.3 0 0.2 0 0 0
Feb 0.5 0 1.8 0 0 0
Mar 3.5 4.9 12.1 0 0 0
Apr 1.1 25.9 31.3 0 0.1 0
May 0 13 134.3 0 585.7 0
Jun 0 2.4 135.5 0 221.5 0
Jul 0 0.2 74.5 22.5 0.3 0.3
Aug 0 0 27.9 53.3 0 223.7
Sep 0 0 11.4 34.8 0 175.6
Oct 0 0 5 1.9 0 0.2
Nov 0 0 0.4 0 0 0
Dec 0 0 0 0 0 0

Nearby Places

Disclaimer * The pollen count information provided for Istanbul 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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