Pollen Count in Velsen

4-Day Chart
Annual Overview

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Velsen has different pollen seasons. Tree pollen starts in March. It's high in April and May. Trees like oak, birch, and alder produce a lot of pollen.

Updated: 6/8/2026

Grass pollen season starts in May. It's high in June and July. Grass pollen counts are usually highest in the morning. Many people stay inside on these days.

Ragweed pollen season is in August and September. It's not as strong as tree or grass pollen. Weeds like ragweed grow in fields and along roads.

Pollen counts can vary from year to year. Weather affects how much pollen is produced. Rain helps to wash pollen away. Sunny days make pollen counts go up.

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 Velsen 🌾. 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	9.9	0	0	0	0	0
Mar	1729	11.3	0	0	0	0
Apr	19.1	694.7	10.2	0	0	0
May	0.8	147.9	56.7	0	0	0
Jun	0	0.1	431.6	15.6	0.2	0
Jul	0	0.7	157.7	91.4	0	0
Aug	0	0	60.3	25.6	0	0.2
Sep	0	0	11.6	0.9	0	1.6
Oct	0	0	1.2	0.1	0	0
Nov	0	0	0.1	0	0	0
Dec	0	0	0	0	0	0

Nearby Places

Disclaimer * The pollen count information provided for Velsen 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.