Probability of aurora in San Francisco
Probability of aurora in San Francisco
Probability of aurora as of end of day, January 1, 2026, San Francisco time
0 %
San Francisco
Aurora intensity index
Auroral intensity index as of the end of January 1, 2026, San Francisco time
Aurora over North America
Changes in the auroral oval on January 1, 2026 in United States, Coordinated Universal Time (UTC)
Aurora in the northern hemisphere
Changes in the auroral oval on January 1, 2026 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 January 1, 2026.
0 %
Washington
0 %
New York
0 %
Chicago
0 %
Philadelphia
1 %
Seattle
0 %
Detroit
0 %
Portland
0 %
Boston
0 %
Madison
4 %
Bismarck
0 %
Olympia
2 %
Helena
2 %
Saint Paul
39 %
Fairbanks
16 %
Anchorage
22 %
Juneau
9 %
Hooper Bay
19 %
Nome
30 %
Kotzebue
35 %
Utqiagvik
8 %
Bethel
21 %
Cordova
Aurora intensity over 2 days
Changes in the auroral intensity index from December 31, 2025 to January 1, 2026, San Francisco time
Diary
- 12.11.2026 Space weather on November 12, 2026
- 11.11.2026 Space weather on November 11, 2026
- 10.11.2026 Space weather on November 10, 2026