Probability of aurora in Portland
Probability of aurora in Portland
Probability of aurora as of end of day, August 22, 2026, Portland time
0 %
Portland
Aurora intensity index
Auroral intensity index (1.7) as of the end of August 22, 2026, Portland time
Aurora over North America
Changes in the auroral oval on August 22, 2026 in United States, Coordinated Universal Time (UTC)
Aurora in the northern hemisphere
Changes in the auroral oval on August 22, 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 August 22, 2026.
0 %
Washington
0 %
New York
0 %
Chicago
0 %
Philadelphia
0 %
Seattle
0 %
Detroit
0 %
Portland
0 %
Boston
0 %
Madison
2 %
Bismarck
0 %
Olympia
1 %
Helena
1 %
Saint Paul
14 %
Fairbanks
5 %
Anchorage
7 %
Juneau
2 %
Hooper Bay
6 %
Nome
10 %
Kotzebue
14 %
Utqiagvik
2 %
Bethel
7 %
Cordova
Aurora intensity over 2 days
Changes in the auroral intensity index from August 21 to 22, 2026, Portland time. Maximum — 1.8/10