Was October 23, 2026 the northern lights visible in Beauharnois?
NO
No — Kp peaked at just 4, too weak for aurora over southern Quebec, and it's daytime anyway.
Why
- Kp 2.3 at 09:00 UTC, no geomagnetic storm
- Max Kp past 24 hours only 4
- Kp 5+ needed this far south; sunset 5:58 PM