Aurora in Fairbanks on October 21, 2026

October 21, 2026

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Probability of aurora in Fairbanks

Probability of aurora as of end of day, October 21, 2026, Fairbanks time

30 % Fairbanks

Aurora intensity index

Auroral intensity index (2.5) and estimated minimum latitude of auroral observations at zenith as of the end of October 21, 2026, Fairbanks time

Aurora over North America

Changes in the auroral oval on October 21, 2026 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 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 United States

Estimated probabilities of aurora observations at zenith for cities in United States as of end of day October 21, 2026.

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

30 % Fairbanks

14 % Anchorage

17 % Juneau

8 % Hooper Bay

17 % Nome

25 % Kotzebue

27 % Utqiagvik

7 % Bethel

17 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from October 20 to 21, 2026 in the northern hemisphere, Fairbanks time. Maximum — 5.1/10

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