Auroras (northern lights) in San Jose — Sep 12, 2025
Probability of northern lights in San Jose
Information as of 2025-09-12 23:54 (end of day) local time in San Jose
0 %
San Jose
Aurora intensity index
Auroral intensity index and the theoretically possible latitude of observations for nighttime in the Western Hemisphere as of 2025-09-12 23:54 (end of day) local time
Northern lights (auroras) over North America
Changes from 2025-09-12 to 2025-09-13 UTC
Northern lights (auroras) in the northern hemisphere
Changes from 2025-09-12 to 2025-09-13 UTC
Probability of northern lights (auroras) in cities of United States
Information as of 2025-09-12 23:54 (end of day) local time in San Jose
0 %
Washington
0 %
New York
0 %
Chicago
0 %
Philadelphia
1 %
Seattle
0 %
Detroit
0 %
Portland
0 %
Boston
0 %
Madison
4 %
Bismarck
1 %
Olympia
2 %
Helena
2 %
Saint Paul
23 %
Fairbanks
10 %
Anchorage
12 %
Juneau
4 %
Hooper Bay
11 %
Nome
17 %
Kotzebue
21 %
Utqiagvik
5 %
Bethel
13 %
Cordova
Polar auroras over the past 2 days
Changes in the auroral intensity index from 2025-09-11 to 2025-09-12 local time
