Pollen Count in Brno

4-Day Chart
Annual Overview

Brno, Czechia has a moderate continental climate with four seasons. Spring sees increased pollen counts, starting with tree pollen in March. Grass pollen arrives in May, followed by weed pollen in late summer.

Updated: 2/10/2026

Summer days in Brno are warm and sometimes rainy, decreasing pollen exposure. However, thunderstorms can lead to a temporary increase in pollen levels.

Autumn brings falling leaves and cooler temperatures, reducing pollen production. Winter frost eliminates most pollen sources, providing relief for allergy sufferers.

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).

Wear masks if necessary
Shower after going out
Wear sunglasses if windy
Close windows and doors
Use an indoor air purifier
Avoid wearing woolen clothes outside
Limit outdoor activities

Annual Pollen Overview

Check out this month-by-month overview of the daily average pollen count in Brno 🌾. 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	2.4	0	0	0	0	0
Feb	7	0	0	0	0	0
Mar	612.9	136.1	0.2	0	0	0
Apr	5.1	1848.7	23.3	0	0.4	0
May	0.3	72.6	192.2	0	0.1	0
Jun	0	2.4	866.3	0.2	1.7	0
Jul	0	0.3	320.5	62.4	0	0
Aug	0	0	91.9	226	0	140.8
Sep	0	0	11.8	108.4	0	208.5
Oct	0	0	1.3	6.7	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 Brno 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.