Probability of aurora in Concord
Probability of aurora in Concord
Probability of aurora as of end of day, December 15, 2025, Concord time
0 %
Concord
Aurora intensity index
Auroral intensity index as of the end of December 15, 2025, Concord time
Aurora over North America
Changes in the auroral oval on December 15, 2025 in United States, Coordinated Universal Time (UTC)
Aurora in the northern hemisphere
Changes in the auroral oval on December 15, 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 December 15, 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
4 %
Fairbanks
1 %
Anchorage
2 %
Juneau
0 %
Hooper Bay
1 %
Nome
3 %
Kotzebue
8 %
Utqiagvik
0 %
Bethel
1 %
Cordova
Aurora intensity over 2 days
Changes in the auroral intensity index from December 14 to 15, 2025, Concord time