Aurora in Lethbridge on September 4, 2026

September 4, 2026

Lethbridge change region

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Probability of aurora in Lethbridge

Probability of aurora as of end of day, September 4, 2026, Lethbridge time

3 % Lethbridge

Aurora intensity index

Auroral intensity index (2.0) and estimated minimum latitude of auroral observations at zenith as of the end of September 4, 2026, Lethbridge time

Aurora over North America

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

1 % Ottawa

1 % Toronto

1 % Montreal

1 % Vancouver

4 % Calgary

11 % Edmonton

0 % Hamilton (Canada)

1 % Quebec

9 % Winnipeg

0 % Kitchener

9 % Saskatoon

6 % Red deer

15 % Salluit

23 % Arviat

27 % Yellowknife

14 % Whitehorse

26 % Thompson

6 % Prince george

16 % Rankin Inlet

10 % Iqaluit

19 % Inuvik

4 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from September 3 to 4, 2026 in the northern hemisphere, Lethbridge time. Maximum — 2.0/10

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