Aurora in Thunder bay on September 11, 2026

September 11, 2026

Thunder bay change region

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Probability of aurora in Thunder bay

Probability of aurora as of end of day, September 11, 2026, Thunder bay time

1 % Thunder bay

Aurora intensity index

Auroral intensity index (1.3) and estimated minimum latitude of auroral observations at zenith as of the end of September 11, 2026, Thunder bay time

Aurora over North America

Changes in the auroral oval on September 11, 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 11, 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 11, 2026.

0 % Ottawa

0 % Toronto

0 % Montreal

0 % Vancouver

1 % Calgary

3 % Edmonton

0 % Hamilton (Canada)

0 % Quebec

2 % Winnipeg

0 % Kitchener

3 % Saskatoon

1 % Red deer

15 % Salluit

16 % Arviat

12 % Yellowknife

3 % Whitehorse

13 % Thompson

1 % Prince george

13 % Rankin Inlet

11 % Iqaluit

9 % Inuvik

4 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from September 10 to 11, 2026 in the northern hemisphere, Thunder bay time. Maximum — 2.5/10

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