Aurora in Calgary on May 1, 2025

May 1, 2025

Calgary change region

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Probability of aurora in Calgary

Probability of aurora as of end of day, May 1, 2025, Calgary time

7 % Calgary

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of May 1, 2025, Calgary time

Aurora over North America

Changes in the auroral oval on May 1, 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 May 1, 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 May 1, 2025.

1 % Ottawa

1 % Toronto

1 % Montreal

2 % Vancouver

7 % Calgary

16 % Edmonton

0 % Hamilton (Canada)

2 % Quebec

13 % Winnipeg

0 % Kitchener

14 % Saskatoon

10 % Red deer

19 % Salluit

25 % Arviat

33 % Yellowknife

18 % Whitehorse

34 % Thompson

9 % Prince george

17 % Rankin Inlet

14 % Iqaluit

25 % Inuvik

4 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from April 30 to May 1, 2025 in the northern hemisphere, Calgary time

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