Auroras (northern lights) in Denver — Aug 18, 2025
Probability of northern lights in Denver
Information as of 2025-08-18 23:59 (end of day) local time in Denver
0 %
Denver
Aurora intensity index
Auroral intensity index and the theoretically possible latitude of observations for nighttime in the Western Hemisphere as of 2025-08-18 23:59 (end of day) local time
Northern lights (auroras) over North America
Changes from 2025-08-18 to 2025-08-19 UTC
Northern lights (auroras) in the northern hemisphere
Changes from 2025-08-18 to 2025-08-19 UTC
Probability of northern lights (auroras) in cities of United States
Information as of 2025-08-18 23:59 (end of day) local time in Denver
0 %
Washington
0 %
New York
0 %
Chicago
0 %
Philadelphia
0 %
Seattle
0 %
Detroit
0 %
Portland
0 %
Boston
0 %
Madison
0 %
Bismarck
0 %
Olympia
0 %
Helena
0 %
Saint Paul
8 %
Fairbanks
2 %
Anchorage
3 %
Juneau
1 %
Hooper Bay
3 %
Nome
5 %
Kotzebue
9 %
Utqiagvik
1 %
Bethel
3 %
Cordova
Polar auroras over the past 2 days
Changes in the auroral intensity index from 2025-08-17 to 2025-08-18 local time
