Aurora in Portland on January 20, 2026

January 20, 2026

Portland change region

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Probability of aurora in Portland

Probability of aurora as of end of day, January 20, 2026, Portland time

2 % Portland

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of January 20, 2026, Portland time

Aurora over North America

Changes in the auroral oval on January 20, 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 January 20, 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 January 20, 2026.

0 % Washington

0 % New York

1 % Chicago

0 % Philadelphia

6 % Seattle

1 % Detroit

2 % Portland

1 % Boston

3 % Madison

13 % Bismarck

3 % Olympia

8 % Helena

6 % Saint Paul

100 % Fairbanks

78 % Anchorage

82 % Juneau

53 % Hooper Bay

93 % Nome

100 % Kotzebue

100 % Utqiagvik

49 % Bethel

90 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from January 19 to 20, 2026 in the northern hemisphere, Portland time

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