Aurora in Portland on November 1, 2025

November 1, 2025

Portland change region

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Probability of aurora in Portland

Probability of aurora as of end of day, November 1, 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 November 1, 2025, Portland time

Aurora over North America

Changes in the auroral oval on November 1, 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 1, 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 1, 2025.

0 % Washington

0 % New York

0 % Chicago

0 % Philadelphia

2 % Seattle

0 % Detroit

0 % Portland

0 % Boston

0 % Madison

5 % Bismarck

1 % Olympia

3 % Helena

2 % Saint Paul

36 % Fairbanks

15 % Anchorage

19 % Juneau

8 % Hooper Bay

17 % Nome

27 % Kotzebue

35 % Utqiagvik

7 % Bethel

19 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from October 31 to November 1, 2025 in the northern hemisphere, Portland time

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