Aurora in Phoenix on September 29, 2025

September 29, 2025

Phoenix change region

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Probability of aurora in Phoenix

Probability of aurora as of end of day, September 29, 2025, Phoenix time

0 % Phoenix

Aurora intensity index

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

1 % Chicago

0 % Philadelphia

5 % Seattle

1 % Detroit

1 % Portland

0 % Boston

2 % Madison

10 % Bismarck

3 % Olympia

6 % Helena

5 % Saint Paul

100 % Fairbanks

55 % Anchorage

61 % Juneau

35 % Hooper Bay

61 % Nome

85 % Kotzebue

87 % Utqiagvik

34 % Bethel

64 % Cordova

Aurora intensity over 2 days

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

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