Aurora in Boise on December 20, 2025

December 20, 2025

Boise change region

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Probability of aurora in Boise

Probability of aurora as of end of day, December 20, 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 20, 2025, Boise time

Aurora over North America

Changes in the auroral oval on December 20, 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 20, 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 20, 2025.

0 % Washington

0 % New York

0 % Chicago

0 % Philadelphia

1 % Seattle

0 % Detroit

0 % Portland

0 % Boston

0 % Madison

3 % Bismarck

0 % Olympia

1 % Helena

1 % Saint Paul

28 % Fairbanks

10 % Anchorage

14 % Juneau

5 % Hooper Bay

11 % Nome

20 % Kotzebue

27 % Utqiagvik

5 % Bethel

13 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from December 19 to 20, 2025 in the northern hemisphere, Boise time

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