Aurora in Portland on July 16, 2025

July 16, 2025

Portland change region

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Probability of aurora in Portland

Probability of aurora as of end of day, July 16, 2025, Portland time

0 % Portland

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of July 16, 2025, Portland time

Aurora over North America

Changes in the auroral oval on July 16, 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 July 16, 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 July 16, 2025.

0 % Washington

0 % New York

0 % Chicago

0 % Philadelphia

1 % Seattle

0 % Detroit

0 % Portland

0 % Boston

0 % Madison

3 % Bismarck

1 % Olympia

2 % Helena

1 % Saint Paul

21 % Fairbanks

10 % Anchorage

12 % Juneau

5 % Hooper Bay

10 % Nome

16 % Kotzebue

21 % Utqiagvik

5 % Bethel

12 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from July 15 to 16, 2025 in the northern hemisphere, Portland time

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