Aurora in Helsinki on September 30, 2025

September 30, 2025

Helsinki change region

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Probability of aurora in Helsinki

Probability of aurora as of end of day, September 30, 2025, Helsinki time

18 % Helsinki

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of September 30, 2025, Helsinki time

Aurora over Europe

Changes in the auroral oval on September 30, 2025 in Europe from the beginning to the end of the day, Coordinated Universal Time (UTC)

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Aurora in the northern hemisphere

Changes in the auroral oval on September 30, 2025 in the northern hemisphere from the beginning to the end of the day, Coordinated Universal Time (UTC)

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Probability of aurora in cities of Europe

Estimated probabilities of aurora observations at zenith for cities in Europe as of end of day September 30, 2025.

0 % London

0 % Berlin

0 % Madrid

0 % Rome

0 % Amsterdam

0 % Paris

0 % Vienna

0 % Bucharest

0 % Warsaw

0 % Budapest

0 % Belgrade

0 % Prague

0 % Sofia

0 % Brussels

18 % Helsinki

1 % Dublin

1 % Vilnius

5 % Riga

12 % Tallinn

21 % Oslo

3 % Copenhagen

79 % Reykjavik

Aurora intensity over 2 days

Changes in the auroral intensity index from September 29 to 30, 2025 in the northern hemisphere, Helsinki time

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