Aurora in San Jose on October 3, 2025

October 3, 2025

San Jose change region

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Probability of aurora in San Jose

Probability of aurora as of end of day, October 3, 2025, San Jose time

0 % San Jose

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of October 3, 2025, San Jose time

Aurora over North America

Changes in the auroral oval on October 3, 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 October 3, 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 October 3, 2025.

0 % Washington

0 % New York

0 % Chicago

0 % Philadelphia

2 % Seattle

0 % Detroit

1 % Portland

0 % Boston

1 % Madison

6 % Bismarck

1 % Olympia

3 % Helena

3 % Saint Paul

39 % Fairbanks

17 % Anchorage

21 % Juneau

9 % Hooper Bay

19 % Nome

30 % Kotzebue

38 % Utqiagvik

8 % Bethel

21 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from October 2 to 3, 2025 in the northern hemisphere, San Jose time

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