Auroras (northern lights) in Sarnia — Jul 31, 2025
Probability of northern lights in Sarnia
Information as of 2025-07-31 23:56 (end of day) local time in Sarnia
0 %
Sarnia
Aurora intensity index
Auroral intensity index and the theoretically possible latitude of observations for nighttime in the Western Hemisphere as of 2025-07-31 23:56 (end of day) local time
Northern lights (auroras) over North America
Changes from 2025-07-31 to 2025-08-01 UTC
Northern lights (auroras) in the northern hemisphere
Changes from 2025-07-31 to 2025-08-01 UTC
Probability of northern lights (auroras) in cities of Canada
Information as of 2025-07-31 23:56 (end of day) local time in Sarnia
0 %
Ottawa
0 %
Toronto
0 %
Montreal
0 %
Vancouver
1 %
Calgary
4 %
Edmonton
0 %
Hamilton (Canada)
1 %
Quebec
3 %
Winnipeg
0 %
Kitchener
3 %
Saskatoon
2 %
Red deer
15 %
Salluit
16 %
Arviat
13 %
Yellowknife
4 %
Whitehorse
14 %
Thompson
2 %
Prince george
13 %
Rankin Inlet
11 %
Iqaluit
11 %
Inuvik
4 %
Cambridge Bay
Polar auroras over the past 2 days
Changes in the auroral intensity index from 2025-07-30 to 2025-07-31 local time
