Aurora Borealis in Delta
Canada · 49.14°, -122.91° · geomagnetic 54.5° · needs Kp 7
Tonight's aurora forecast for Delta
2%
Peak chance of a visible display tonight, from the same model the Revon app runs. Delta 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 Delta
The aurora borealis is typically visible in Delta, British Columbia, when the geomagnetic activity reaches Kp 7 or higher.
At a geomagnetic latitude of 54.5°, Delta experiences approximately 3.1 nights per year with sufficient geomagnetic activity for potential aurora viewing.
These viewing opportunities have been recorded between April 2, 2016, and March 30, 2026.
The months of May, September, and August offer the best opportunities for aurora viewing in Delta, British Columbia.
June is the only month where full darkness is not consistently achieved, potentially impacting viewing conditions.
Delta, British Columbia, experiences light pollution levels classified as Bortle 7.
Areas with darker skies, such as Bortle 4, can be found approximately 40 km to the north near Electoral Area A.
Further dark sky locations include Bortle 5 skies about 32 km east-north-east near Maple Ridge. Local terrain includes islands, headlands, and beaches to the north and west.
Geographic features near Delta, British Columbia, include Annacis Island, a 4.2 km island to the north-west.
Don Island and Purfleet Point are islands and headlands located 6.3 km to the west-north-west.
Shoal Point, a headland, is situated 6.3 km to the north, and Sapperton Bar, a beach, lies 9.0 km to the north-north-east.
Within a 300 km radius of Delta, British Columbia, 57 verified aurora sightings were reported between January 1, 2015, and December 31, 2016.
The period from 2016 to 2026 includes several nights with significant geomagnetic activity, such as March 20, 2026 (Kp 7.0), January 20, 2026 (Kp 7.67), and January 19, 2026 (Kp 8.67).
Additional notable nights include November 12, 2025 (Kp 7.33) and November 11, 2025 (Kp 8.67).
Sources: Revon analysis of NOAA planetary Kp · Revon location dataset · 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 Delta 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 Delta.