Aurora in Vienna on August 21, 2026

August 21, 2026

Vienna change region

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Probability of aurora in Vienna

Probability of aurora as of end of day, August 21, 2026, Vienna time

0 % Vienna

Aurora intensity index

Auroral intensity index (1.5) and estimated minimum latitude of auroral observations at zenith as of the end of August 21, 2026, Vienna time

Aurora over Europe

Changes in the auroral oval on August 21, 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 August 21, 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 August 21, 2026.

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

3 % Helsinki

0 % Dublin

0 % Vilnius

0 % Riga

2 % Tallinn

3 % Oslo

0 % Copenhagen

14 % Reykjavik

Aurora intensity over 2 days

Changes in the auroral intensity index from August 20 to 21, 2026 in the northern hemisphere, Vienna time. Maximum — 3.2/10

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