Kp index — May 1952
The Kp archive
GFZ definitive record · 3-hour UTC intervals · 1932 → 2026-07-31
Max Kp
8.0
27 May · G4
Storm nights
17
G1×6G2×6G3×3G4×2
Time at storm level
26.6%
intervals at Kp ≥ 5−
Avg Kp
3.3
all intervals
Tap a day — its eight intervals open here.
Highlights
- G4 storm · May 25–31 · peak Kp 8.0
1952 · the year at a glance — storm nights by month · year peak Kp 8.3
All-time record: Kp 9.0 — reached on 27 days, most recently 2024-05-11.