Aurora in Saint john's on October 4, 2025

October 4, 2025

Saint john's change region

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Probability of aurora in Saint john's

Probability of aurora as of end of day, October 4, 2025, Saint john's time

0 % Saint john's

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of October 4, 2025, Saint john's time

Aurora over North America

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

0 % Ottawa

0 % Toronto

1 % Montreal

0 % Vancouver

1 % Calgary

3 % Edmonton

0 % Hamilton (Canada)

1 % Quebec

3 % Winnipeg

0 % Kitchener

2 % Saskatoon

1 % Red deer

22 % Salluit

20 % Arviat

14 % Yellowknife

3 % Whitehorse

13 % Thompson

1 % Prince george

16 % Rankin Inlet

17 % Iqaluit

11 % Inuvik

4 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from October 3 to 4, 2025 in the northern hemisphere, Saint john's time

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