Probability of aurora in Concord
Probability of aurora in Concord
Probability of aurora as of end of day, December 22, 2025, Concord time
0 %
Concord
Aurora intensity index
Auroral intensity index as of the end of December 22, 2025, Concord time
Aurora over North America
Changes in the auroral oval on December 22, 2025 in United States, Coordinated Universal Time (UTC)
Aurora in the northern hemisphere
Changes in the auroral oval on December 22, 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 22, 2025.
0 %
Washington
0 %
New York
0 %
Chicago
0 %
Philadelphia
1 %
Seattle
0 %
Detroit
0 %
Portland
0 %
Boston
1 %
Madison
4 %
Bismarck
0 %
Olympia
2 %
Helena
2 %
Saint Paul
21 %
Fairbanks
8 %
Anchorage
11 %
Juneau
4 %
Hooper Bay
9 %
Nome
14 %
Kotzebue
28 %
Utqiagvik
4 %
Bethel
10 %
Cordova
Aurora intensity over 2 days
Changes in the auroral intensity index from December 21 to 22, 2025, Concord time
Diary
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