Aurora in Honolulu on October 4, 2025

October 4, 2025

Honolulu change region

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Probability of aurora in Honolulu

Probability of aurora as of end of day, October 4, 2025, Honolulu time

0 % Honolulu

Aurora intensity index

Auroral intensity index (2.5) and estimated minimum latitude of auroral observations at zenith as of the end of October 4, 2025, Honolulu time

Aurora over North America

Changes in the auroral oval on October 4, 2025 in United States 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 October 4, 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 United States

Estimated probabilities of aurora observations at zenith for cities in United States as of end of day October 4, 2025.

0 % Washington

0 % New York

0 % Chicago

0 % Philadelphia

1 % Seattle

0 % Detroit

0 % Portland

0 % Boston

0 % Madison

3 % Bismarck

1 % Olympia

2 % Helena

1 % Saint Paul

34 % Fairbanks

18 % Anchorage

21 % Juneau

10 % Hooper Bay

21 % Nome

30 % Kotzebue

29 % Utqiagvik

10 % Bethel

22 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from October 3 to 4, 2025 in the northern hemisphere, Honolulu time. Maximum — 5.2/10

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