Aurora in Saint john's on April 21, 2025

April 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, April 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 April 21, 2025, Saint john's time

Aurora over North America

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

1 % Ottawa

0 % Toronto

1 % Montreal

0 % Vancouver

1 % Calgary

3 % Edmonton

0 % Hamilton (Canada)

1 % Quebec

3 % Winnipeg

0 % Kitchener

3 % Saskatoon

2 % Red deer

19 % Salluit

18 % Arviat

14 % Yellowknife

3 % Whitehorse

13 % Thompson

1 % Prince george

15 % Rankin Inlet

15 % Iqaluit

12 % Inuvik

5 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from April 20 to 21, 2025 in the northern hemisphere, Saint john's time. Maximum — 8.0/10

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