Pollen Count in Nijmegen

4-Day Chart
Annual Overview

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In Nijmegen, there are different pollen seasons. In the early spring, trees start to bloom. This is usually around late March to early May. Trees like oak, birch, and hazel release pollen.

Updated: 3/21/2026

In the late spring, grasses and weeds start to bloom. This is usually around May to July. Grasses like timothy, rye, and wheat release pollen. Weeds like nettle and sorrel also release pollen.

In the summer, some trees and weeds continue to release pollen. This is usually around the same time as the summer holidays. Some people might notice more pollen in the air during this time.

In the autumn, there is less pollen in the air. usually around September to November. Fewer trees and plants stop releasing pollen. The air is cleaner, and it's easier to breathe.

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 Nijmegen 🌾. 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	4.9	0	0	0	0	0
Feb	28.4	0	0	0	0	0
Mar	3.2	1218.1	0.2	0	0	0
Apr	0.3	471.6	17.7	0	0.8	0
May	0	19.2	130.5	0	0.7	0
Jun	0	0.3	696.3	30.2	0	0
Jul	0	0	306.1	154.4	0	0
Aug	0	0	100.6	34.8	0	3.1
Sep	0	0	10.7	1.2	0	17.1
Oct	0	0	1	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 Nijmegen 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.