Aurora in Anchorage on December 4, 2025

December 4, 2025

Anchorage change region

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Probability of aurora in Anchorage

Probability of aurora as of end of day, December 4, 2025, Anchorage time

20 % Anchorage

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of December 4, 2025, Anchorage time

Aurora over North America

Changes in the auroral oval on December 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 December 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 December 4, 2025.

0 % Washington

0 % New York

0 % Chicago

0 % Philadelphia

1 % Seattle

0 % Detroit

0 % Portland

0 % Boston

0 % Madison

3 % Bismarck

0 % Olympia

2 % Helena

1 % Saint Paul

40 % Fairbanks

20 % Anchorage

23 % Juneau

11 % Hooper Bay

23 % Nome

34 % Kotzebue

34 % Utqiagvik

10 % Bethel

25 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from December 3 to 4, 2025 in the northern hemisphere, Anchorage time

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