Aurora in Fort Smith on April 18, 2026

April 18, 2026

Fort Smith change region

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Probability of aurora in Fort Smith

Probability of aurora as of end of day, April 18, 2026, Fort Smith time

47 % Fort Smith

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of April 18, 2026, Fort Smith time

Aurora over North America

Changes in the auroral oval on April 18, 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 18, 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 18, 2026.

1 % Ottawa

1 % Toronto

2 % Montreal

3 % Vancouver

11 % Calgary

23 % Edmonton

1 % Hamilton (Canada)

3 % Quebec

18 % Winnipeg

1 % Kitchener

20 % Saskatoon

14 % Red deer

24 % Salluit

32 % Arviat

45 % Yellowknife

26 % Whitehorse

44 % Thompson

13 % Prince george

22 % Rankin Inlet

18 % Iqaluit

34 % Inuvik

5 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from April 17 to 18, 2026 in the northern hemisphere, Fort Smith time

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