Aurora in Thunder bay on May 15, 2026

May 15, 2026

Thunder bay change region

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Probability of aurora in Thunder bay

Probability of aurora as of end of day, May 15, 2026, Thunder bay time

11 % Thunder bay

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of May 15, 2026, Thunder bay time

Aurora over North America

Changes in the auroral oval on May 15, 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 May 15, 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 May 15, 2026.

3 % Ottawa

2 % Toronto

4 % Montreal

2 % Vancouver

8 % Calgary

16 % Edmonton

1 % Hamilton (Canada)

5 % Quebec

15 % Winnipeg

1 % Kitchener

15 % Saskatoon

11 % Red deer

28 % Salluit

42 % Arviat

46 % Yellowknife

17 % Whitehorse

43 % Thompson

8 % Prince george

30 % Rankin Inlet

20 % Iqaluit

38 % Inuvik

9 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from May 14 to 15, 2026 in the northern hemisphere, Thunder bay time

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