Aurora in Fort Smith on September 17, 2026

September 17, 2026

Fort Smith change region

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Probability of aurora in Fort Smith

Probability of aurora as of end of day, September 17, 2026, Fort Smith time

19 % Fort Smith

Aurora intensity index

Auroral intensity index (1.4) and estimated minimum latitude of auroral observations at zenith as of the end of September 17, 2026, Fort Smith time

Aurora over North America

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

0 % Ottawa

0 % Toronto

0 % Montreal

0 % Vancouver

2 % Calgary

6 % Edmonton

0 % Hamilton (Canada)

0 % Quebec

5 % Winnipeg

0 % Kitchener

6 % Saskatoon

3 % Red deer

11 % Salluit

17 % Arviat

19 % Yellowknife

9 % Whitehorse

19 % Thompson

3 % Prince george

11 % Rankin Inlet

8 % Iqaluit

12 % Inuvik

3 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from September 16 to 17, 2026 in the northern hemisphere, Fort Smith time. Maximum — 2.6/10

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