Probability of aurora in Anchorage
Probability of aurora in Anchorage
Probability of aurora as of end of day, July 21, 2026, Anchorage time
7 %
Anchorage
Aurora intensity index
Auroral intensity index (1.7) as of the end of July 21, 2026, Anchorage time
Aurora over North America
Changes in the auroral oval on July 21, 2026 in United States, Coordinated Universal Time (UTC)
Aurora in the northern hemisphere
Changes in the auroral oval on July 21, 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 July 21, 2026.
0 %
Washington
0 %
New York
0 %
Chicago
0 %
Philadelphia
0 %
Seattle
0 %
Detroit
0 %
Portland
0 %
Boston
0 %
Madison
1 %
Bismarck
0 %
Olympia
1 %
Helena
0 %
Saint Paul
16 %
Fairbanks
7 %
Anchorage
9 %
Juneau
4 %
Hooper Bay
9 %
Nome
13 %
Kotzebue
15 %
Utqiagvik
3 %
Bethel
9 %
Cordova
Aurora intensity over 2 days
Changes in the auroral intensity index from July 20 to 21, 2026, Anchorage time. Maximum — 4.1/10