Probability of aurora in Portland
Probability of aurora in Portland
Probability of aurora as of end of day, January 27, 2026, Portland time
0 %
Portland
Aurora intensity index
Auroral intensity index as of the end of January 27, 2026, Portland time
Aurora over North America
Changes in the auroral oval on January 27, 2026 in United States, Coordinated Universal Time (UTC)
Aurora in the northern hemisphere
Changes in the auroral oval on January 27, 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 January 27, 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
20 %
Fairbanks
8 %
Anchorage
11 %
Juneau
4 %
Hooper Bay
9 %
Nome
15 %
Kotzebue
17 %
Utqiagvik
4 %
Bethel
10 %
Cordova
Aurora intensity over 2 days
Changes in the auroral intensity index from January 26 to 27, 2026, Portland time
Diary
- 27.08.2026 Today is the ninth full moon of 2026.
- 26.08.2026 Magnetic storms are expected on Earth on Friday
- 25.08.2026 A solar flare ejected a cloud of plasma toward Earth.