Aurora in Saint john's on August 21, 2025

August 21, 2025

Saint john's change region

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Probability of aurora in Saint john's

Probability of aurora as of end of day, August 21, 2025, Saint john's time

0 % Saint john's

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of August 21, 2025, Saint john's time

Aurora over North America

Changes in the auroral oval on August 21, 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 August 21, 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 August 21, 2025.

0 % Ottawa

0 % Toronto

1 % Montreal

0 % Vancouver

1 % Calgary

2 % Edmonton

0 % Hamilton (Canada)

1 % Quebec

2 % Winnipeg

0 % Kitchener

2 % Saskatoon

1 % Red deer

18 % Salluit

17 % Arviat

12 % Yellowknife

3 % Whitehorse

11 % Thompson

1 % Prince george

14 % Rankin Inlet

14 % Iqaluit

11 % Inuvik

5 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from August 20 to 21, 2025 in the northern hemisphere, Saint john's time

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