Aurora in Portland on April 1, 2025

April 1, 2025

Portland change region

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Probability of aurora in Portland

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

1 % Portland

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of April 1, 2025, Portland time

Aurora over North America

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

0 % Washington

0 % New York

1 % Chicago

0 % Philadelphia

3 % Seattle

0 % Detroit

1 % Portland

0 % Boston

1 % Madison

8 % Bismarck

2 % Olympia

5 % Helena

4 % Saint Paul

41 % Fairbanks

18 % Anchorage

24 % Juneau

9 % Hooper Bay

18 % Nome

30 % Kotzebue

40 % Utqiagvik

9 % Bethel

22 % Cordova

Aurora intensity over 2 days

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

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