Aurora in San Antonio on September 29, 2025

September 29, 2025

San Antonio change region

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Probability of aurora in San Antonio

Probability of aurora as of end of day, September 29, 2025, San Antonio time

0 % San Antonio

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of September 29, 2025, San Antonio time

Aurora over North America

Changes in the auroral oval on September 29, 2025 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 September 29, 2025 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 September 29, 2025.

0 % Washington

0 % New York

2 % Chicago

0 % Philadelphia

2 % Seattle

2 % Detroit

1 % Portland

1 % Boston

2 % Madison

7 % Bismarck

1 % Olympia

4 % Helena

4 % Saint Paul

30 % Fairbanks

10 % Anchorage

15 % Juneau

4 % Hooper Bay

10 % Nome

18 % Kotzebue

35 % Utqiagvik

4 % Bethel

13 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from September 28 to 29, 2025 in the northern hemisphere, San Antonio time

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