Aurora in Denver on September 14, 2025

September 14, 2025

Denver change region

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Probability of aurora in Denver

Probability of aurora as of end of day, September 14, 2025, Denver time

0 % Denver

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of September 14, 2025, Denver time

Aurora over North America

Changes in the auroral oval on September 14, 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 14, 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 14, 2025.

0 % Washington

0 % New York

1 % Chicago

0 % Philadelphia

3 % Seattle

1 % Detroit

1 % Portland

0 % Boston

2 % Madison

7 % Bismarck

2 % Olympia

4 % Helena

5 % Saint Paul

38 % Fairbanks

14 % Anchorage

20 % Juneau

7 % Hooper Bay

16 % Nome

27 % Kotzebue

40 % Utqiagvik

7 % Bethel

19 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from September 13 to 14, 2025 in the northern hemisphere, Denver time

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