Probability of aurora in Portland
Probability of aurora in Portland
Probability of aurora as of end of day, January 23, 2026, Portland time
0 %
Portland
Aurora intensity index
Auroral intensity index as of the end of January 23, 2026, Portland time
Aurora over North America
Changes in the auroral oval on January 23, 2026 in United States, Coordinated Universal Time (UTC)
Aurora in the northern hemisphere
Changes in the auroral oval on January 23, 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 23, 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
22 %
Fairbanks
9 %
Anchorage
12 %
Juneau
4 %
Hooper Bay
10 %
Nome
17 %
Kotzebue
19 %
Utqiagvik
4 %
Bethel
12 %
Cordova
Aurora intensity over 2 days
Changes in the auroral intensity index from January 22 to 23, 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.