Aurora in Louisville on October 3, 2026

October 3, 2026

Louisville change region

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Probability of aurora in Louisville

Probability of aurora as of end of day, October 3, 2026, Louisville time

0 % Louisville

Aurora intensity index

Auroral intensity index (1.3) and estimated minimum latitude of auroral observations at zenith as of the end of October 3, 2026, Louisville time

Aurora over North America

Changes in the auroral oval on October 3, 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 3, 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 3, 2026.

0 % Washington

0 % New York

0 % Chicago

0 % Philadelphia

0 % Seattle

0 % Detroit

0 % Portland

0 % Boston

0 % Madison

0 % Bismarck

0 % Olympia

0 % Helena

0 % Saint Paul

3 % Fairbanks

1 % Anchorage

1 % Juneau

0 % Hooper Bay

1 % Nome

2 % Kotzebue

7 % Utqiagvik

0 % Bethel

1 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from October 2 to 3, 2026 in the northern hemisphere, Louisville time. Maximum — 2.3/10

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