Aurora in Montreal on May 4, 2025

May 4, 2025

Montreal change region

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Probability of aurora in Montreal

Probability of aurora as of end of day, May 4, 2025, Montreal time

2 % Montreal

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of May 4, 2025, Montreal time

Aurora over North America

Changes in the auroral oval on May 4, 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 May 4, 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 May 4, 2025.

1 % Ottawa

1 % Toronto

2 % Montreal

1 % Vancouver

4 % Calgary

8 % Edmonton

0 % Hamilton (Canada)

2 % Quebec

7 % Winnipeg

0 % Kitchener

7 % Saskatoon

5 % Red deer

20 % Salluit

25 % Arviat

23 % Yellowknife

8 % Whitehorse

24 % Thompson

4 % Prince george

18 % Rankin Inlet

14 % Iqaluit

19 % Inuvik

5 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from May 3 to 4, 2025 in the northern hemisphere, Montreal time

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