Aurora in Reykjavik on July 21, 2025

July 21, 2025

Reykjavik change region

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Probability of aurora in Reykjavik

Probability of aurora as of end of day, July 21, 2025, Reykjavik time

9 % Reykjavik

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of July 21, 2025, Reykjavik time

Aurora over Europe

Changes in the auroral oval on July 21, 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 July 21, 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 July 21, 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

0 % Helsinki

0 % Dublin

0 % Vilnius

0 % Riga

0 % Tallinn

0 % Oslo

0 % Copenhagen

9 % Reykjavik

Aurora intensity over 2 days

Changes in the auroral intensity index from July 20 to 21, 2025 in the northern hemisphere, Reykjavik time. Maximum — 1.7/10

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