Auroras (northern lights) in Philadelphia — Nov 11, 2025
Probability of northern lights in Philadelphia
Information as of 2025-11-11 23:50 (end of day) local time in Philadelphia
1 %
Philadelphia
Aurora intensity index
Auroral intensity index and the theoretically possible latitude of observations for nighttime in the Western Hemisphere as of 2025-11-11 23:50 (end of day) local time
Northern lights (auroras) over North America
Changes from 2025-11-11 to 2025-11-12 UTC
Northern lights (auroras) in the northern hemisphere
Changes from 2025-11-11 to 2025-11-12 UTC
Probability of northern lights (auroras) in cities of United States
Information as of 2025-11-11 23:50 (end of day) local time in Philadelphia
0 %
Washington
1 %
New York
3 %
Chicago
1 %
Philadelphia
9 %
Seattle
3 %
Detroit
3 %
Portland
2 %
Boston
6 %
Madison
27 %
Bismarck
6 %
Olympia
15 %
Helena
15 %
Saint Paul
89 %
Fairbanks
47 %
Anchorage
61 %
Juneau
18 %
Hooper Bay
39 %
Nome
55 %
Kotzebue
65 %
Utqiagvik
21 %
Bethel
59 %
Cordova
Polar auroras over the past 2 days
Changes in the auroral intensity index from 2025-11-10 to 2025-11-11 local time
