Aurora in Anchorage on May 21, 2026

May 21, 2026

Anchorage change region

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Probability of aurora in Anchorage

Probability of aurora as of end of day, May 21, 2026, Anchorage time

8 % Anchorage

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of May 21, 2026, Anchorage time

Aurora over North America

Changes in the auroral oval on May 21, 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 May 21, 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 May 21, 2026.

0 % Washington

0 % New York

0 % Chicago

0 % Philadelphia

1 % Seattle

0 % Detroit

0 % Portland

0 % Boston

0 % Madison

2 % Bismarck

0 % Olympia

1 % Helena

1 % Saint Paul

18 % Fairbanks

8 % Anchorage

10 % Juneau

4 % Hooper Bay

9 % Nome

14 % Kotzebue

16 % Utqiagvik

4 % Bethel

11 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from May 20 to 21, 2026 in the northern hemisphere, Anchorage time

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