Aurora in Red deer on May 4, 2025

May 4, 2025

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Probability of aurora in Red deer

Probability of aurora as of end of day, May 4, 2025, Red deer time

9 % Red deer

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of May 4, 2025, Red deer 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.

1 % Ottawa

1 % Toronto

1 % Montreal

1 % Vancouver

6 % Calgary

14 % Edmonton

0 % Hamilton (Canada)

1 % Quebec

11 % Winnipeg

0 % Kitchener

12 % Saskatoon

9 % Red deer

17 % Salluit

22 % Arviat

28 % Yellowknife

17 % Whitehorse

29 % Thompson

8 % Prince george

15 % Rankin Inlet

12 % Iqaluit

21 % Inuvik

4 % Cambridge Bay

Aurora intensity over 2 days

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

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