Aurora in Cheyenne on September 17, 2025

September 17, 2025

Cheyenne change region

Home › Aurora › Cheyenne › September 17, 2025

Probability of aurora in Cheyenne

Probability of aurora as of end of day, September 17, 2025, Cheyenne time

0 % Cheyenne

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of September 17, 2025, Cheyenne time

Aurora over North America

Changes in the auroral oval on September 17, 2025 in United States from the beginning to the end of the day, Coordinated Universal Time (UTC)

Movie in HD PNG HTML

Aurora in the northern hemisphere

Changes in the auroral oval on September 17, 2025 in the northern hemisphere from the beginning to the end of the day, Coordinated Universal Time (UTC)

Movie in HD PNG HTML

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 17, 2025.

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

5 % Fairbanks

1 % Anchorage

2 % Juneau

0 % Hooper Bay

1 % Nome

3 % Kotzebue

7 % Utqiagvik

0 % Bethel

2 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from September 16 to 17, 2025 in the northern hemisphere, Cheyenne time

API: JSON | TXT