Aurora in Sarnia on September 7, 2025

September 7, 2025

Sarnia change region

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Probability of aurora in Sarnia

Probability of aurora as of end of day, September 7, 2025, Sarnia time

0 % Sarnia

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of September 7, 2025, Sarnia time

Aurora over North America

Changes in the auroral oval on September 7, 2025 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 7, 2025 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 7, 2025.

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

17 % Salluit

20 % Arviat

17 % Yellowknife

5 % Whitehorse

17 % Thompson

2 % Prince george

15 % Rankin Inlet

11 % Iqaluit

12 % Inuvik

4 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from September 6 to 7, 2025 in the northern hemisphere, Sarnia time

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