Pollen Count in Aachen

4-Day Chart
Annual Overview

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Trees start producing pollen in Aachen around late March. It's a big problem for people with allergies. Birch trees are the first to pollinate. They release tiny yellow dust into the air.

Updated: 3/22/2026

In April, more trees start pollinating. Oak, beech, and chestnut trees join in. The pollen count goes up. It's a bad time for people who react to pollen. They feel miserable.

Grasses start pollinating in May. This is the worst time for pollen allergies. The pollen count is very high. It's hard to be outside without feeling sick.

By June, the pollen season starts to slow down. Trees and grasses stop producing as much pollen. The air feels cleaner. People with allergies can finally breathe easily again.

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 Aachen 🌾. 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	60.7	0	0	0	0	0
Mar	699	704.7	0	0	0	0
Apr	5	3067.4	20	0	0	0
May	0.7	105.8	168.2	0	0.7	0
Jun	0	0.2	926.4	24.3	0.9	0
Jul	0	0.3	329.9	152.2	0	0
Aug	0	0	81.3	39.8	0	1.7
Sep	0	0	7.1	2.7	0	3.7
Oct	0	0	0.6	0.2	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 Aachen 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.