Aurora in Thompson on April 17, 2026

April 17, 2026

Thompson change region

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Probability of aurora in Thompson

Probability of aurora as of end of day, April 17, 2026, Thompson time

43 % Thompson

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of April 17, 2026, Thompson time

Aurora over North America

Changes in the auroral oval on April 17, 2026 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 17, 2026 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 17, 2026.

2 % Ottawa

2 % Toronto

3 % Montreal

2 % Vancouver

9 % Calgary

17 % Edmonton

1 % Hamilton (Canada)

4 % Quebec

15 % Winnipeg

1 % Kitchener

15 % Saskatoon

11 % Red deer

27 % Salluit

39 % Arviat

44 % Yellowknife

17 % Whitehorse

43 % Thompson

9 % Prince george

27 % Rankin Inlet

20 % Iqaluit

33 % Inuvik

6 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from April 16 to 17, 2026 in the northern hemisphere, Thompson time

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