Aurora in Thunder bay on October 20, 2026

October 20, 2026

Thunder bay change region

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Probability of aurora in Thunder bay

Probability of aurora as of end of day, October 20, 2026, Thunder bay time

3 % Thunder bay

Aurora intensity index

Auroral intensity index (1.8) and estimated minimum latitude of auroral observations at zenith as of the end of October 20, 2026, Thunder bay time

Aurora over North America

Changes in the auroral oval on October 20, 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 October 20, 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 October 20, 2026.

0 % Ottawa

0 % Toronto

1 % Montreal

0 % Vancouver

2 % Calgary

5 % Edmonton

0 % Hamilton (Canada)

1 % Quebec

4 % Winnipeg

0 % Kitchener

4 % Saskatoon

2 % Red deer

22 % Salluit

23 % Arviat

18 % Yellowknife

5 % Whitehorse

18 % Thompson

2 % Prince george

19 % Rankin Inlet

16 % Iqaluit

13 % Inuvik

4 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from October 19 to 20, 2026 in the northern hemisphere, Thunder bay time. Maximum — 3.7/10

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