Aurora in Calgary on September 23, 2025

September 23, 2025

Calgary change region

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Probability of aurora in Calgary

Probability of aurora as of end of day, September 23, 2025, Calgary time

0 % Calgary

Aurora intensity index

Auroral intensity index and estimated minimum latitude of auroral observations at zenith as of the end of September 23, 2025, Calgary time

Aurora over North America

Changes in the auroral oval on September 23, 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 23, 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 23, 2025.

0 % Ottawa

0 % Toronto

0 % Montreal

0 % Vancouver

0 % Calgary

2 % Edmonton

0 % Hamilton (Canada)

0 % Quebec

0 % Winnipeg

0 % Kitchener

1 % Saskatoon

0 % Red deer

7 % Salluit

10 % Arviat

9 % Yellowknife

3 % Whitehorse

10 % Thompson

0 % Prince george

6 % Rankin Inlet

5 % Iqaluit

5 % Inuvik

1 % Cambridge Bay

Aurora intensity over 2 days

Changes in the auroral intensity index from September 22 to 23, 2025 in the northern hemisphere, Calgary time

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