Aurora in Thunder bay on October 2, 2025

October 2, 2025

Thunder bay change region

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Probability of aurora in Thunder bay

Probability of aurora as of end of day, October 2, 2025, Thunder bay time

20 % Thunder bay

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of October 2, 2025, Thunder bay 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.

4 % Ottawa

3 % Toronto

5 % Montreal

7 % Vancouver

26 % Calgary

47 % Edmonton

2 % Hamilton (Canada)

7 % Quebec

34 % Winnipeg

2 % Kitchener

41 % Saskatoon

32 % Red deer

63 % Salluit

89 % Arviat

100 % Yellowknife

50 % Whitehorse

92 % Thompson

28 % Prince george

68 % Rankin Inlet

47 % Iqaluit

64 % Inuvik

17 % Cambridge Bay

Aurora intensity over 2 days

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

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