Aurora in Portland on March 20, 2026

March 20, 2026

Portland change region

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Probability of aurora in Portland

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

Aurora over North America

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

0 % Washington

0 % New York

1 % Chicago

0 % Philadelphia

4 % Seattle

0 % Detroit

1 % Portland

0 % Boston

1 % Madison

9 % Bismarck

2 % Olympia

6 % Helena

4 % Saint Paul

87 % Fairbanks

43 % Anchorage

50 % Juneau

25 % Hooper Bay

47 % Nome

68 % Kotzebue

73 % Utqiagvik

23 % Bethel

52 % Cordova

Aurora intensity over 2 days

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

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