Kp index — May 1967
The Kp archive
GFZ definitive record · 3-hour UTC intervals · 1932 → 2026-07-31
Max Kp
9.0
25 May · G5
Storm nights
11
G1×4G2×1G3×4G5×2
Time at storm level
16.1%
intervals at Kp ≥ 5−
Avg Kp
2.7
all intervals
Tap a day — its eight intervals open here.
Highlights
- G5 storm · May 25–26 · peak Kp 9.0
- Strongest activity since November 1960
1967 · the year at a glance — storm nights by month · year peak Kp 9.0
All-time record: Kp 9.0 — reached on 27 days, most recently 2024-05-11.