Aurora in Calgary on December 11, 2025

December 11, 2025

Calgary change region

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Probability of aurora in Calgary

Probability of aurora as of end of day, December 11, 2025, Calgary time

14 % Calgary

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of December 11, 2025, Calgary time

Aurora over North America

Changes in the auroral oval on December 11, 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 December 11, 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 December 11, 2025.

1 % Ottawa

1 % Toronto

2 % Montreal

2 % Vancouver

14 % Calgary

34 % Edmonton

0 % Hamilton (Canada)

3 % Quebec

25 % Winnipeg

0 % Kitchener

29 % Saskatoon

20 % Red deer

33 % Salluit

46 % Arviat

70 % Yellowknife

41 % Whitehorse

61 % Thompson

17 % Prince george

34 % Rankin Inlet

24 % Iqaluit

55 % Inuvik

13 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from December 10 to 11, 2025 in the northern hemisphere, Calgary time

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