Aurora in Cheyenne on September 7, 2025

September 7, 2025

Cheyenne change region

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Probability of aurora in Cheyenne

Probability of aurora as of end of day, September 7, 2025, Cheyenne time

0 % Cheyenne

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of September 7, 2025, Cheyenne time

Aurora over North America

Changes in the auroral oval on September 7, 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 September 7, 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 September 7, 2025.

0 % Washington

0 % New York

1 % Chicago

0 % Philadelphia

1 % Seattle

0 % Detroit

0 % Portland

0 % Boston

1 % Madison

4 % Bismarck

1 % Olympia

2 % Helena

2 % Saint Paul

20 % Fairbanks

8 % Anchorage

11 % Juneau

3 % Hooper Bay

8 % Nome

14 % Kotzebue

22 % Utqiagvik

3 % Bethel

10 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from September 6 to 7, 2025 in the northern hemisphere, Cheyenne time

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