Aurora in San Francisco on March 27, 2026

March 27, 2026

San Francisco change region

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Probability of aurora in San Francisco

Probability of aurora as of end of day, March 27, 2026, San Francisco time

0 % San Francisco

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of March 27, 2026, San Francisco time

Aurora over North America

Changes in the auroral oval on March 27, 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 27, 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 27, 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

16 % Fairbanks

6 % Anchorage

9 % Juneau

3 % Hooper Bay

7 % Nome

11 % Kotzebue

16 % Utqiagvik

3 % Bethel

8 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from March 26 to 27, 2026 in the northern hemisphere, San Francisco time

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