Aurora in Portland on November 12, 2025

November 12, 2025

Portland change region

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Probability of aurora in Portland

Probability of aurora as of end of day, November 12, 2025, Portland time

3 % Portland

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of November 12, 2025, Portland time

Aurora over North America

Changes in the auroral oval on November 12, 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 November 12, 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 November 12, 2025.

0 % Washington

1 % New York

2 % Chicago

1 % Philadelphia

8 % Seattle

2 % Detroit

3 % Portland

2 % Boston

2 % Madison

14 % Bismarck

5 % Olympia

10 % Helena

6 % Saint Paul

100 % Fairbanks

100 % Anchorage

100 % Juneau

76 % Hooper Bay

100 % Nome

100 % Kotzebue

100 % Utqiagvik

69 % Bethel

100 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from November 11 to 12, 2025 in the northern hemisphere, Portland time

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