Aurora Borealis in South Granville
Canada · 49.26°, -123.14° · geomagnetic 54.6° · needs Kp 7
Tonight's aurora forecast for South Granville
2%
Peak chance of a visible display tonight, from the same model the Revon app runs. South Granville needs Kp 7 to see anything at all, and tonight the forecast peaks at Kp 4.7. Short of the threshold, which is what most nights look like here.
Get the full 30-night forecast in Revon
Updated 2026-09-08 10:35 UTC
Local aurora guide for South Granville
South Granville is at a geomagnetic latitude of 54.6°, which is favourable for aurora viewing.
An aurora event requires a Kp index of 7 or higher. This level of activity occurs approximately 3.1 times per year in this region.
Records of aurora activity in this region span from 2016 to 2026.
The best months for aurora viewing in South Granville are May, August, and September.
During the month of June, there is no full darkness due to the high latitude.
South Granville has a Bortle scale rating of 7, indicating significant light pollution.
Areas with darker skies, rated Bortle 4, can be found 28 km north-north-west near Area D (Elaho/Garibaldi).
The horizon is relatively open towards English Bay to the north-west, Marina Square to the north, Harbour Green Park to the north-north-east, Lost Lagoon to the north, and Second Beach to the north-north-west.
English Bay is a bay located 3.3 km north-west of South Granville.
Marina Square, a park, is situated 3.6 km north of South Granville.
Harbour Green Park, another park, is 3.6 km north-north-east of South Granville. Lost Lagoon, a lake, is 3.9 km north of South Granville. Second Beach is 3.9 km north-north-west of South Granville.
There have been 56 verified aurora sightings reported within 300 km of South Granville between January 1, 2015, and December 31, 2016.
The historical record for aurora activity in this region spans from 2016 to 2026.
Notable qualifying nights with high Kp values include March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), January 19, 2026 (Kp 8.67), November 12, 2025 (Kp 7.33), and November 11, 2025 (Kp 8.67).
Sources: Revon location dataset · Revon analysis of NOAA planetary Kp · Solar declination and hour-angle calculation · Falchi 2016 World Atlas of artificial night sky brightness · GeoNames (CC BY 4.0) · Aurorasaurus verified positive reports
Know when it is worth going outside
Revon watches the South Granville forecast and pushes an alert when the odds for tonight clear your threshold — no checking, no guessing.
Nearby towns
Forecasts for places within reach of South Granville.