Aurora in Calgary on October 2, 2025

October 2, 2025

Calgary change region

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Probability of aurora in Calgary

Probability of aurora as of end of day, October 2, 2025, Calgary time

22 % Calgary

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of October 2, 2025, Calgary time

Aurora over North America

Changes in the auroral oval on October 2, 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 October 2, 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 October 2, 2025.

2 % Ottawa

2 % Toronto

3 % Montreal

7 % Vancouver

22 % Calgary

49 % Edmonton

1 % Hamilton (Canada)

4 % Quebec

28 % Winnipeg

1 % Kitchener

37 % Saskatoon

30 % Red deer

43 % Salluit

62 % Arviat

88 % Yellowknife

70 % Whitehorse

79 % Thompson

33 % Prince george

47 % Rankin Inlet

32 % Iqaluit

74 % Inuvik

18 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from October 1 to 2, 2025 in the northern hemisphere, Calgary time

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