Aurora in Ottawa on April 18, 2025

April 18, 2025

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Probability of aurora in Ottawa

Probability of aurora as of end of day, April 18, 2025, Ottawa time

1 % Ottawa

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of April 18, 2025, Ottawa time

Aurora over North America

Changes in the auroral oval on April 18, 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 18, 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 18, 2025.

1 % Ottawa

1 % Toronto

2 % Montreal

1 % Vancouver

3 % Calgary

7 % Edmonton

1 % Hamilton (Canada)

3 % Quebec

7 % Winnipeg

1 % Kitchener

6 % Saskatoon

4 % Red deer

22 % Salluit

27 % Arviat

23 % Yellowknife

7 % Whitehorse

23 % Thompson

3 % Prince george

20 % Rankin Inlet

16 % Iqaluit

18 % Inuvik

5 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from April 17 to 18, 2025 in the northern hemisphere, Ottawa time

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