Aurora in Riga on May 4, 2026

May 4, 2026

Riga change region

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Probability of aurora in Riga

Probability of aurora as of end of day, May 4, 2026, Riga time

13 % Riga

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of May 4, 2026, Riga time

Aurora over Europe

Changes in the auroral oval on May 4, 2026 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 May 4, 2026 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 May 4, 2026.

5 % London

6 % Berlin

0 % Madrid

0 % Rome

5 % Amsterdam

1 % Paris

0 % Vienna

0 % Bucharest

4 % Warsaw

0 % Budapest

0 % Belgrade

1 % Prague

0 % Sofia

3 % Brussels

22 % Helsinki

9 % Dublin

9 % Vilnius

13 % Riga

18 % Tallinn

25 % Oslo

13 % Copenhagen

59 % Reykjavik

Aurora intensity over 2 days

Changes in the auroral intensity index from May 3 to 4, 2026 in the northern hemisphere, Riga time

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