Aurora in Portland on December 23, 2025

December 23, 2025

Portland change region

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Probability of aurora in Portland

Probability of aurora as of end of day, December 23, 2025, Portland time

0 % Portland

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of December 23, 2025, Portland time

Aurora over North America

Changes in the auroral oval on December 23, 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 December 23, 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 December 23, 2025.

0 % Washington

0 % New York

0 % Chicago

0 % Philadelphia

2 % Seattle

0 % Detroit

0 % Portland

0 % Boston

0 % Madison

6 % Bismarck

1 % Olympia

3 % Helena

2 % Saint Paul

58 % Fairbanks

26 % Anchorage

34 % Juneau

13 % Hooper Bay

29 % Nome

47 % Kotzebue

54 % Utqiagvik

12 % Bethel

32 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from December 22 to 23, 2025 in the northern hemisphere, Portland time

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