Was October 23, 2026 a good day for aurora in London?
NO
No — Kp is only 1.7 with no geomagnetic storm, and London's sky is 100% clouded over.
Why
- Planetary K-index 1.7 at 06:00 UTC
- Peak Kp in past 24 hours: just 4.3
- London needs roughly Kp 7; sky 100% cloud, drizzle