Aurora in Regina on May 4, 2025

May 4, 2025

Regina change region

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Probability of aurora in Regina

Probability of aurora as of end of day, May 4, 2025, Regina time

8 % Regina

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of May 4, 2025, Regina time

Aurora over North America

Changes in the auroral oval on May 4, 2025 in Canada from the beginning to the end of the day, Coordinated Universal Time (UTC)

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Aurora in the northern hemisphere

Changes in the auroral oval on May 4, 2025 in the northern hemisphere from the beginning to the end of the day, Coordinated Universal Time (UTC)

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Probability of aurora in cities of Canada

Estimated probabilities of aurora observations at zenith for cities in Canada as of end of day May 4, 2025.

2 % Ottawa

1 % Toronto

2 % Montreal

2 % Vancouver

7 % Calgary

14 % Edmonton

1 % Hamilton (Canada)

3 % Quebec

12 % Winnipeg

1 % Kitchener

12 % Saskatoon

9 % Red deer

20 % Salluit

28 % Arviat

33 % Yellowknife

15 % Whitehorse

33 % Thompson

7 % Prince george

19 % Rankin Inlet

15 % Iqaluit

25 % Inuvik

5 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from May 3 to 4, 2025 in the northern hemisphere, Regina time

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