Aurora in Boise on January 4, 2026

January 4, 2026

Boise change region

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Probability of aurora in Boise

Probability of aurora as of end of day, January 4, 2026, Boise time

1 % Boise

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of January 4, 2026, Boise time

Aurora over North America

Changes in the auroral oval on January 4, 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 January 4, 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 January 4, 2026.

0 % Washington

0 % New York

3 % Chicago

0 % Philadelphia

5 % Seattle

3 % Detroit

1 % Portland

1 % Boston

4 % Madison

9 % Bismarck

2 % Olympia

6 % Helena

5 % Saint Paul

72 % Fairbanks

41 % Anchorage

45 % Juneau

25 % Hooper Bay

44 % Nome

58 % Kotzebue

57 % Utqiagvik

24 % Bethel

47 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from January 3 to 4, 2026 in the northern hemisphere, Boise time

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