Aurora Borealis in Alma
Canada · 48.55°, -71.65° · geomagnetic 57.9° · needs Kp 7
Tonight's aurora forecast for Alma
39%
Peak chance of a visible display tonight, from the same model the Revon app runs. Alma 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.
Get the full 30-night forecast in Revon
Updated 2026-09-08 10:35 UTC
Local aurora guide for Alma
The aurora requires a Kp of 7 or higher to be visible in Alma. This is a strong geomagnetic storm.
Alma is located at 57.9° geomagnetic latitude. This means you are in a good position to see auroras.
On average, there are 3.2 nights per year with conditions suitable for aurora viewing in Alma.
The best months for aurora viewing in Alma are May, August, and September.
These months offer the longest periods of darkness, increasing your chances of seeing the aurora.
Alma has a Bortle scale rating of 6, indicating moderate light pollution. Areas with less light pollution may offer better viewing.
Darker skies can be found near Sainte-Monique, 23 km north-north-west of Alma, with a Bortle rating of 3.
Other areas with darker skies include Larouche, 12 km east-south-east of Alma, rated Bortle 5.
Parc des Peupliers is a park located 3.4 km north of Alma.
Parc Walter-C.-Hamilton is a park situated 3.5 km north-north-east of Alma.
Île Barnabé and Île Makila are islands located 3.7 km north of Alma. Baie Trépanier is a bay 4.1 km west-north-west of Alma.
There has been 1 verified aurora sighting report within 300 km of Alma between 2015 and 2016.
The record span for viable aurora nights in Alma is from 2016 to 2026.
Notable qualifying nights 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 analysis of NOAA planetary Kp · Revon location dataset · 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 Alma 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 Alma.