Aurora in San Antonio on October 23, 2026

October 23, 2026

San Antonio change region

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Probability of aurora in San Antonio

Probability of aurora as of end of day, October 23, 2026, San Antonio time

0 % San Antonio

Aurora intensity index

Auroral intensity index (2.4) and estimated minimum latitude of auroral observations at zenith as of the end of October 23, 2026, San Antonio time

Aurora over North America

Changes in the auroral oval on October 23, 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 October 23, 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 October 23, 2026.

0 % Washington

0 % New York

0 % Chicago

0 % Philadelphia

0 % Seattle

0 % Detroit

0 % Portland

0 % Boston

0 % Madison

0 % Bismarck

0 % Olympia

0 % Helena

0 % Saint Paul

20 % Fairbanks

14 % Anchorage

11 % Juneau

13 % Hooper Bay

22 % Nome

23 % Kotzebue

14 % Utqiagvik

11 % Bethel

15 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from October 22 to 23, 2026 in the northern hemisphere, San Antonio time. Maximum — 4.5/10

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