Aurora in Portland on February 25, 2026

February 25, 2026

Portland change region

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Probability of aurora in Portland

Probability of aurora as of end of day, February 25, 2026, Portland time

1 % Portland

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of February 25, 2026, Portland time

Aurora over North America

Changes in the auroral oval on February 25, 2026 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 February 25, 2026 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 February 25, 2026.

0 % Washington

0 % New York

0 % Chicago

0 % Philadelphia

3 % Seattle

0 % Detroit

1 % Portland

0 % Boston

0 % Madison

6 % Bismarck

1 % Olympia

4 % Helena

2 % Saint Paul

50 % Fairbanks

24 % Anchorage

30 % Juneau

13 % Hooper Bay

26 % Nome

40 % Kotzebue

44 % Utqiagvik

13 % Bethel

29 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from February 24 to 25, 2026 in the northern hemisphere, Portland time

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