Kp index — October 2011
The Kp archive
GFZ definitive record · 3-hour UTC intervals · 1932 → 2026-07-31
Max Kp
7.3
25 Oct · G3
Storm nights
3
G1×1G3×2
Time at storm level
2.4%
intervals at Kp ≥ 5−
Avg Kp
1.4
all intervals
Tap a day — its eight intervals open here.
Highlights
- G3 storm · Oct 24–25 · peak Kp 7.3
2011 · the year at a glance — storm nights by month · year peak Kp 7.7
All-time record: Kp 9.0 — reached on 27 days, most recently 2024-05-11.