Aurora in Greater Sudbury on October 22, 2025

October 22, 2025

Greater Sudbury change region

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Probability of aurora in Greater Sudbury

Probability of aurora as of end of day, October 22, 2025, Greater Sudbury time

2 % Greater Sudbury

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of October 22, 2025, Greater Sudbury time

Aurora over North America

Changes in the auroral oval on October 22, 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 22, 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 22, 2025.

1 % Ottawa

0 % Toronto

1 % Montreal

0 % Vancouver

2 % Calgary

6 % Edmonton

0 % Hamilton (Canada)

2 % Quebec

5 % Winnipeg

0 % Kitchener

5 % Saskatoon

3 % Red deer

24 % Salluit

27 % Arviat

21 % Yellowknife

6 % Whitehorse

21 % Thompson

2 % Prince george

21 % Rankin Inlet

17 % Iqaluit

15 % Inuvik

5 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from October 21 to 22, 2025 in the northern hemisphere, Greater Sudbury time

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