Aurora in Portland on January 31, 2025

January 31, 2025

Portland change region

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Probability of aurora in Portland

Probability of aurora as of end of day, January 31, 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 January 31, 2025, Portland time

Aurora over North America

Changes in the auroral oval on January 31, 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 January 31, 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 January 31, 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

44 % Fairbanks

19 % Anchorage

25 % Juneau

10 % Hooper Bay

21 % Nome

33 % Kotzebue

41 % Utqiagvik

9 % Bethel

24 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from January 30 to 31, 2025 in the northern hemisphere, Portland time

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