Probability of aurora in Yellowknife
Probability of aurora in Yellowknife
Probability of aurora as of end of day, May 4, 2025, Yellowknife time
28 %
Yellowknife
Aurora intensity index
Auroral intensity index as of the end of May 4, 2025, Yellowknife time
Aurora over North America
Changes in the auroral oval on May 4, 2025 in Canada, Coordinated Universal Time (UTC)
Aurora in the northern hemisphere
Changes in the auroral oval on May 4, 2025 in the northern hemisphere, Coordinated Universal Time (UTC)
Probability of aurora in cities of Canada
Estimated probabilities for cities in Canada as of end of day May 4, 2025.
1 %
Ottawa
1 %
Toronto
1 %
Montreal
1 %
Vancouver
6 %
Calgary
14 %
Edmonton
0 %
Hamilton (Canada)
1 %
Quebec
11 %
Winnipeg
0 %
Kitchener
12 %
Saskatoon
9 %
Red deer
17 %
Salluit
22 %
Arviat
28 %
Yellowknife
17 %
Whitehorse
29 %
Thompson
8 %
Prince george
15 %
Rankin Inlet
12 %
Iqaluit
21 %
Inuvik
4 %
Cambridge Bay
Aurora intensity over 2 days
Changes in the auroral intensity index from May 3 to 4, 2025, Yellowknife time
Diary
- 27.08.2026 Today is the ninth full moon of 2026.
- 26.08.2026 Magnetic storms are expected on Earth on Friday
- 25.08.2026 A solar flare ejected a cloud of plasma toward Earth.