Pollen Count in Santarém

4-Day Chart
Annual Overview

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Santarém, Portugal has a Mediterranean climate. Spring and summer bring warm weather. Trees, flowers, and plants start to grow. They produce pollen.

Updated: 5/25/2026

In Santarém, pollen season usually starts in March. Trees like olive, oak, and pine release pollen. This happens until May. The amount of pollen varies each year.

Weather conditions affect pollen levels. Rainy days bring low pollen counts. Windy and sunny days bring high pollen counts. This makes it difficult for people on those days.

By summer, pollen levels usually decrease. Grasses and weeds produce some pollen. September and October see a small increase in pollen. Then, levels go down 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 Santarém 🌾. 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	1.3	0	0	0	0	0
Feb	2.7	0	0.4	0	0	0
Mar	1.4	15.7	16.6	0	0	0
Apr	0.2	5.8	133.7	0	2414.8	0
May	0	1.3	617.5	0	4032.4	0
Jun	0	0	422.3	0	60.9	0
Jul	0	0	173	0	0.8	0
Aug	0	0	50.1	0.2	0	0.1
Sep	0	0	6.4	0	0	0
Oct	0	0	1	0	0	0
Nov	0	0	0	0.1	0	0
Dec	0	0	0	0	0	0

Nearby Places

Disclaimer * The pollen count information provided for Santarém 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.