Probability of aurora in Portland
Probability of aurora in Portland
Probability of aurora as of end of day, December 26, 2025, Portland time
0 %
Portland
Aurora intensity index
Auroral intensity index as of the end of December 26, 2025, Portland time
Aurora over North America
Changes in the auroral oval on December 26, 2025 in United States, Coordinated Universal Time (UTC)
Aurora in the northern hemisphere
Changes in the auroral oval on December 26, 2025 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 December 26, 2025.
0 %
Washington
0 %
New York
0 %
Chicago
0 %
Philadelphia
1 %
Seattle
0 %
Detroit
0 %
Portland
0 %
Boston
0 %
Madison
3 %
Bismarck
0 %
Olympia
1 %
Helena
1 %
Saint Paul
28 %
Fairbanks
11 %
Anchorage
15 %
Juneau
6 %
Hooper Bay
13 %
Nome
21 %
Kotzebue
25 %
Utqiagvik
5 %
Bethel
15 %
Cordova
Aurora intensity over 2 days
Changes in the auroral intensity index from December 25 to 26, 2025, 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.