Aurora in Seattle on October 31, 2026

October 31, 2026

Seattle change region

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Probability of aurora in Seattle

Probability of aurora as of end of day, October 31, 2026, Seattle time

2 % Seattle

Aurora intensity index

Auroral intensity index (3.5) and estimated minimum latitude of auroral observations at zenith as of the end of October 31, 2026, Seattle time

Aurora over North America

Changes in the auroral oval on October 31, 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 31, 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 31, 2026.

0 % Washington

0 % New York

0 % Chicago

0 % Philadelphia

2 % Seattle

0 % Detroit

1 % Portland

0 % Boston

0 % Madison

5 % Bismarck

1 % Olympia

3 % Helena

2 % Saint Paul

38 % Fairbanks

16 % Anchorage

21 % Juneau

8 % Hooper Bay

19 % Nome

30 % Kotzebue

37 % Utqiagvik

8 % Bethel

20 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from October 30 to 31, 2026 in the northern hemisphere, Seattle time. Maximum — 9.5/10

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