Aurora in Madison on October 1, 2025

October 1, 2025

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Probability of aurora in Madison

Probability of aurora as of end of day, October 1, 2025, Madison time

4 % Madison

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of October 1, 2025, Madison time

Aurora over North America

Changes in the auroral oval on October 1, 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 1, 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 1, 2025.

0 % Washington

1 % New York

2 % Chicago

0 % Philadelphia

10 % Seattle

2 % Detroit

3 % Portland

1 % Boston

4 % Madison

18 % Bismarck

6 % Olympia

13 % Helena

9 % Saint Paul

100 % Fairbanks

54 % Anchorage

72 % Juneau

27 % Hooper Bay

50 % Nome

75 % Kotzebue

90 % Utqiagvik

27 % Bethel

67 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from September 30 to October 1, 2025 in the northern hemisphere, Madison time

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