Aurora in Phoenix on September 11, 2026

September 11, 2026

Phoenix change region

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Probability of aurora in Phoenix

Probability of aurora as of end of day, September 11, 2026, Phoenix time

0 % Phoenix

Aurora intensity index

Auroral intensity index (1.9) and estimated minimum latitude of auroral observations at zenith as of the end of September 11, 2026, Phoenix time

Aurora over North America

Changes in the auroral oval on September 11, 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 September 11, 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 September 11, 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

17 % Fairbanks

7 % Anchorage

9 % Juneau

3 % Hooper Bay

8 % Nome

13 % Kotzebue

16 % Utqiagvik

3 % Bethel

9 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from September 10 to 11, 2026 in the northern hemisphere, Phoenix time. Maximum — 2.5/10

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