Aurora in Helena on June 1, 2025

June 1, 2025

Helena change region

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Probability of aurora in Helena

Probability of aurora as of end of day, June 1, 2025, Helena time

36 % Helena

Aurora intensity index

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

Aurora over North America

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

2 % Washington

3 % New York

10 % Chicago

2 % Philadelphia

38 % Seattle

8 % Detroit

28 % Portland

3 % Boston

14 % Madison

33 % Bismarck

33 % Olympia

36 % Helena

22 % Saint Paul

77 % Fairbanks

52 % Anchorage

59 % Juneau

41 % Hooper Bay

51 % Nome

63 % Kotzebue

70 % Utqiagvik

42 % Bethel

57 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from May 31 to June 1, 2025 in the northern hemisphere, Helena time

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