Probability of aurora in Anchorage
Probability of aurora in Anchorage
Probability of aurora as of end of day, September 17, 2025, Anchorage time
2 %
Anchorage
Aurora intensity index
Auroral intensity index as of the end of September 17, 2025, Anchorage time
Aurora over North America
Changes in the auroral oval on September 17, 2025 in United States, Coordinated Universal Time (UTC)
Aurora in the northern hemisphere
Changes in the auroral oval on September 17, 2025 in the northern hemisphere, Coordinated Universal Time (UTC)
Probability of aurora in cities of United States
Estimated probabilities 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
7 %
Fairbanks
2 %
Anchorage
2 %
Juneau
0 %
Hooper Bay
2 %
Nome
5 %
Kotzebue
5 %
Utqiagvik
0 %
Bethel
3 %
Cordova
Aurora intensity over 2 days
Changes in the auroral intensity index from September 16 to 17, 2025, Anchorage time