Aurora in Boise on December 9, 2025

December 9, 2025

Boise change region

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Probability of aurora in Boise

Probability of aurora as of end of day, December 9, 2025, Boise time

0 % Boise

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of December 9, 2025, Boise time

Aurora over North America

Changes in the auroral oval on December 9, 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 9, 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 9, 2025.

0 % Washington

0 % New York

0 % Chicago

0 % Philadelphia

1 % Seattle

0 % Detroit

0 % Portland

0 % Boston

0 % Madison

4 % Bismarck

0 % Olympia

2 % Helena

2 % Saint Paul

29 % Fairbanks

11 % Anchorage

15 % Juneau

5 % Hooper Bay

12 % Nome

21 % Kotzebue

30 % Utqiagvik

5 % Bethel

14 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from December 8 to 9, 2025 in the northern hemisphere, Boise time

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