Probability of aurora in Phoenix
Probability of aurora in Phoenix
Probability of aurora as of end of day, December 20, 2025, Phoenix time
0 %
Phoenix
Aurora intensity index
Auroral intensity index as of the end of December 20, 2025, Phoenix time
Aurora over North America
Changes in the auroral oval on December 20, 2025 in United States, Coordinated Universal Time (UTC)
Aurora in the northern hemisphere
Changes in the auroral oval on December 20, 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 20, 2025.
0 %
Washington
0 %
New York
0 %
Chicago
0 %
Philadelphia
1 %
Seattle
0 %
Detroit
0 %
Portland
0 %
Boston
0 %
Madison
3 %
Bismarck
0 %
Olympia
1 %
Helena
1 %
Saint Paul
28 %
Fairbanks
10 %
Anchorage
14 %
Juneau
5 %
Hooper Bay
11 %
Nome
20 %
Kotzebue
27 %
Utqiagvik
5 %
Bethel
13 %
Cordova
Aurora intensity over 2 days
Changes in the auroral intensity index from December 19 to 20, 2025, Phoenix time