Aurora in Lisbon on July 21, 2026

July 21, 2026

Lisbon change region

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Probability of aurora in Lisbon

Probability of aurora as of end of day, July 21, 2026, Lisbon time

0 % Lisbon

Aurora intensity index

Auroral intensity index (1.8) and estimated minimum latitude of auroral observations at zenith as of the end of July 21, 2026, Lisbon time

Aurora over Europe

Changes in the auroral oval on July 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 July 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 July 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

4 % Helsinki

0 % Dublin

0 % Vilnius

1 % Riga

2 % Tallinn

5 % Oslo

0 % Copenhagen

19 % Reykjavik

Aurora intensity over 2 days

Changes in the auroral intensity index from July 20 to 21, 2026 in the northern hemisphere, Lisbon time. Maximum — 4.1/10

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