Aurora in Montreal on October 31, 2025

October 31, 2025

Montreal change region

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Probability of aurora in Montreal

Probability of aurora as of end of day, October 31, 2025, Montreal time

1 % Montreal

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of October 31, 2025, Montreal time

Aurora over North America

Changes in the auroral oval on October 31, 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 31, 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 31, 2025.

0 % Ottawa

0 % Toronto

1 % Montreal

0 % Vancouver

2 % Calgary

5 % Edmonton

0 % Hamilton (Canada)

1 % Quebec

4 % Winnipeg

0 % Kitchener

5 % Saskatoon

3 % Red deer

22 % Salluit

25 % Arviat

20 % Yellowknife

6 % Whitehorse

20 % Thompson

2 % Prince george

20 % Rankin Inlet

16 % Iqaluit

13 % Inuvik

4 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from October 30 to 31, 2025 in the northern hemisphere, Montreal time

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