Aurora in Anchorage on September 30, 2025

September 30, 2025

Anchorage change region

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Probability of aurora in Anchorage

Probability of aurora as of end of day, September 30, 2025, Anchorage time

30 % Anchorage

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of September 30, 2025, Anchorage time

Aurora over North America

Changes in the auroral oval on September 30, 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 September 30, 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 September 30, 2025.

0 % Washington

0 % New York

0 % Chicago

0 % Philadelphia

4 % Seattle

0 % Detroit

1 % Portland

0 % Boston

0 % Madison

6 % Bismarck

2 % Olympia

5 % Helena

2 % Saint Paul

59 % Fairbanks

30 % Anchorage

35 % Juneau

18 % Hooper Bay

35 % Nome

52 % Kotzebue

56 % Utqiagvik

16 % Bethel

36 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from September 29 to 30, 2025 in the northern hemisphere, Anchorage time

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