Aurora in Fort Smith on August 4, 2026

August 4, 2026

Fort Smith change region

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Probability of aurora in Fort Smith

Probability of aurora as of end of day, August 4, 2026, Fort Smith time

13 % Fort Smith

Aurora intensity index

Auroral intensity index (1.0) and estimated minimum latitude of auroral observations at zenith as of the end of August 4, 2026, Fort Smith time

Aurora over North America

Changes in the auroral oval on August 4, 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 August 4, 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 August 4, 2026.

0 % Ottawa

0 % Toronto

0 % Montreal

0 % Vancouver

0 % Calgary

3 % Edmonton

0 % Hamilton (Canada)

0 % Quebec

2 % Winnipeg

0 % Kitchener

2 % Saskatoon

1 % Red deer

9 % Salluit

13 % Arviat

12 % Yellowknife

5 % Whitehorse

13 % Thompson

1 % Prince george

9 % Rankin Inlet

7 % Iqaluit

8 % Inuvik

3 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from August 3 to 4, 2026 in the northern hemisphere, Fort Smith time. Maximum — 4.1/10

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