Aurora Borealis in Sorel-Tracy
Canada · 46.04°, -73.11° · geomagnetic 55.4° · needs Kp 7
Tonight's aurora forecast for Sorel-Tracy
7%
Peak chance of a visible display tonight, from the same model the Revon app runs. Sorel-Tracy needs Kp 7 to see anything at all, and tonight the forecast peaks at Kp 5.0. Short of the threshold, which is what most nights look like here.
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Updated 2026-09-08 10:35 UTC
Local aurora guide for Sorel-Tracy
Sorel-Tracy is located at 55.4° geomagnetic latitude. Auroras are typically visible when the planetary Kp index reaches 7.
On average, there are about 3.2 nights per year when conditions are suitable for aurora viewing in this region. The historical record spans from April 2, 2016, to March 30, 2026.
The best months for aurora viewing in Sorel-Tracy are May, September, and August. These months offer a good overlap between darker skies and potential aurora activity.
Sorel-Tracy experiences a Bortle 6 sky. Nearby areas offer darker skies, with Bortle 3 conditions found 52 km north-north-west near Saint-Alexis-des-Monts and Bortle 5 conditions 25 km north-north-west near Saint-Barthélemy.
The local horizon features include Île Saint-Amour (island, 3.0 km north-west), Pointe des Pères (headland, 3.4 km west-north-west), and Île aux Cochons (island, 3.9 km west-north-west). Further east-north-east are Battures de l'Île de Grâce (beach, 5.3 km) and Coteau de la Terre de la Fabrique (cliff, 5.7 km north-east).
Geographic features near Sorel-Tracy include Île Saint-Amour, an island located 3.0 km north-west. Pointe des Pères, a headland, is situated 3.4 km west-north-west.
Other nearby locations include Île aux Cochons, an island 3.9 km west-north-west, and Battures de l'Île de Grâce, a beach 5.3 km east-north-east.
Coteau de la Terre de la Fabrique, a cliff, is located 5.7 km north-east of Sorel-Tracy.
There have been 36 verified aurora reports within 300 km of Sorel-Tracy between January 1, 2015, and December 31, 2016.
The historical record indicates potential viewing nights occurred on 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 · 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 Sorel-Tracy 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 Sorel-Tracy.