Aurora in Denver on August 8, 2025

August 8, 2025

Denver change region

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Probability of aurora in Denver

Probability of aurora as of end of day, August 8, 2025, Denver time

3 % Denver

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of August 8, 2025, Denver time

Aurora over North America

Changes in the auroral oval on August 8, 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 August 8, 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 August 8, 2025.

0 % Washington

1 % New York

5 % Chicago

1 % Philadelphia

16 % Seattle

4 % Detroit

11 % Portland

1 % Boston

7 % Madison

17 % Bismarck

13 % Olympia

16 % Helena

11 % Saint Paul

64 % Fairbanks

37 % Anchorage

44 % Juneau

24 % Hooper Bay

37 % Nome

49 % Kotzebue

59 % Utqiagvik

24 % Bethel

43 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from August 7 to 8, 2025 in the northern hemisphere, Denver time

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