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Pollen forecast

11.3.2026

Alder pollen will continue to be transported from southern Europe to the whole country. Levels may rise to abundant in the southern and central parts of the country, while in the northern parts they are likely to remain moderate.
Hazel pollen may also be transported to the southern and central parts of the country.

The local flowering of hazel is expected to start within one week and alder is expected to start within two weeks in South and Southwest Finland.