Aurora in Portland on August 8, 2025

August 8, 2025

Portland change region

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Probability of aurora in Portland

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

10 % Portland

Aurora intensity index

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

0 % New York

3 % Chicago

0 % Philadelphia

14 % Seattle

3 % Detroit

10 % Portland

0 % Boston

5 % Madison

14 % Bismarck

12 % Olympia

13 % Helena

8 % Saint Paul

69 % Fairbanks

41 % Anchorage

47 % Juneau

29 % Hooper Bay

44 % Nome

58 % Kotzebue

64 % Utqiagvik

29 % Bethel

47 % Cordova

Aurora intensity over 2 days

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

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