Aurora in Cheyenne on March 21, 2025

March 21, 2025

Cheyenne change region

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Probability of aurora in Cheyenne

Probability of aurora as of end of day, March 21, 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 March 21, 2025, Cheyenne time

Aurora over North America

Changes in the auroral oval on March 21, 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 March 21, 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 March 21, 2025.

0 % Washington

0 % New York

1 % Chicago

0 % Philadelphia

4 % Seattle

1 % Detroit

1 % Portland

0 % Boston

2 % Madison

9 % Bismarck

2 % Olympia

5 % Helena

5 % Saint Paul

35 % Fairbanks

14 % Anchorage

20 % Juneau

7 % Hooper Bay

14 % Nome

24 % Kotzebue

39 % Utqiagvik

7 % Bethel

18 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from March 20 to 21, 2025 in the northern hemisphere, Cheyenne time

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