Aurora in Portland on May 31, 2025

May 31, 2025

Portland change region

Home › Aurora › Portland › May 31, 2025

Probability of aurora in Portland

Probability of aurora as of end of day, May 31, 2025, Portland time

14 % Portland

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of May 31, 2025, Portland time

Aurora over North America

Changes in the auroral oval on May 31, 2025 in United States from the beginning to the end of the day, Coordinated Universal Time (UTC)

Movie in HD PNG HTML

Aurora in the northern hemisphere

Changes in the auroral oval on May 31, 2025 in the northern hemisphere from the beginning to the end of the day, Coordinated Universal Time (UTC)

Movie in HD PNG HTML

Probability of aurora in cities of United States

Estimated probabilities of aurora observations at zenith for cities in United States as of end of day May 31, 2025.

0 % Washington

0 % New York

3 % Chicago

0 % Philadelphia

20 % Seattle

3 % Detroit

14 % Portland

0 % Boston

5 % Madison

15 % Bismarck

17 % Olympia

17 % Helena

8 % Saint Paul

56 % Fairbanks

37 % Anchorage

41 % Juneau

29 % Hooper Bay

39 % Nome

49 % Kotzebue

53 % Utqiagvik

29 % Bethel

41 % Cordova

Aurora intensity over 2 days

Changes in the auroral intensity index from May 30 to 31, 2025 in the northern hemisphere, Portland time

API: JSON | TXT