Aurora in Anchorage on October 17, 2025

October 17, 2025

Anchorage change region

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Probability of aurora in Anchorage

Probability of aurora as of end of day, October 17, 2025, Anchorage time

25 % Anchorage

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of October 17, 2025, Anchorage time

Aurora over North America

Changes in the auroral oval on October 17, 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 17, 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 17, 2025.

0 % Washington

0 % New York

0 % Chicago

0 % Philadelphia

3 % Seattle

0 % Detroit

1 % Portland

0 % Boston

0 % Madison

7 % Bismarck

2 % Olympia

4 % Helena

2 % Saint Paul

55 % Fairbanks

25 % Anchorage

31 % Juneau

14 % Hooper Bay

29 % Nome

45 % Kotzebue

53 % Utqiagvik

13 % Bethel

31 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from October 16 to 17, 2025 in the northern hemisphere, Anchorage time

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