Auroras (northern lights) in Philadelphia — Jan 20, 2026
Probability of northern lights in Philadelphia
Information as of 2026-01-20 23:57 (end of day) local time in Philadelphia
0 %
Philadelphia
Aurora intensity index
Auroral intensity index and the theoretically possible latitude of observations for nighttime in the Western Hemisphere as of 2026-01-20 23:57 (end of day) local time
Northern lights (auroras) over North America
Changes from 2026-01-20 to 2026-01-21 UTC
Northern lights (auroras) in the northern hemisphere
Changes from 2026-01-20 to 2026-01-21 UTC
Probability of northern lights (auroras) in cities of United States
Information as of 2026-01-20 23:57 (end of day) local time in Philadelphia
0 %
Washington
1 %
New York
3 %
Chicago
0 %
Philadelphia
6 %
Seattle
3 %
Detroit
2 %
Portland
2 %
Boston
6 %
Madison
23 %
Bismarck
4 %
Olympia
11 %
Helena
14 %
Saint Paul
71 %
Fairbanks
39 %
Anchorage
51 %
Juneau
15 %
Hooper Bay
31 %
Nome
44 %
Kotzebue
53 %
Utqiagvik
18 %
Bethel
49 %
Cordova
Polar auroras over the past 2 days
Changes in the auroral intensity index from 2026-01-19 to 2026-01-20 local time
