Aurora in Halifax on October 21, 2025

October 21, 2025

Halifax change region

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Probability of aurora in Halifax

Probability of aurora as of end of day, October 21, 2025, Halifax time

0 % Halifax

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of October 21, 2025, Halifax time

Aurora over North America

Changes in the auroral oval on October 21, 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 21, 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 21, 2025.

0 % Ottawa

0 % Toronto

0 % Montreal

0 % Vancouver

0 % Calgary

0 % Edmonton

0 % Hamilton (Canada)

0 % Quebec

0 % Winnipeg

0 % Kitchener

0 % Saskatoon

0 % Red deer

7 % Salluit

5 % Arviat

4 % Yellowknife

0 % Whitehorse

3 % Thompson

0 % Prince george

4 % Rankin Inlet

6 % Iqaluit

4 % Inuvik

2 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from October 20 to 21, 2025 in the northern hemisphere, Halifax time

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