Aurora in Pierre on August 8, 2025

August 8, 2025

Pierre change region

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Probability of aurora in Pierre

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

13 % Pierre

Aurora intensity index

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

1 % Washington

2 % New York

7 % Chicago

1 % Philadelphia

16 % Seattle

6 % Detroit

10 % Portland

2 % Boston

9 % Madison

19 % Bismarck

12 % Olympia

18 % Helena

14 % Saint Paul

50 % Fairbanks

28 % Anchorage

37 % Juneau

15 % Hooper Bay

24 % Nome

33 % Kotzebue

45 % Utqiagvik

15 % Bethel

34 % Cordova

Aurora intensity over 2 days

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

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