Aurora in Halifax on April 20, 2025

April 20, 2025

Halifax change region

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Probability of aurora in Halifax

Probability of aurora as of end of day, April 20, 2025, Halifax time

1 % Halifax

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of April 20, 2025, Halifax time

Aurora over North America

Changes in the auroral oval on April 20, 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 April 20, 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 April 20, 2025.

2 % Ottawa

1 % Toronto

2 % Montreal

1 % Vancouver

3 % Calgary

6 % Edmonton

1 % Hamilton (Canada)

3 % Quebec

6 % Winnipeg

1 % Kitchener

5 % Saskatoon

4 % Red deer

27 % Salluit

29 % Arviat

23 % Yellowknife

6 % Whitehorse

21 % Thompson

3 % Prince george

23 % Rankin Inlet

19 % Iqaluit

17 % Inuvik

6 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from April 19 to 20, 2025 in the northern hemisphere, Halifax time

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