Kp index — October 1949
The Kp archive
GFZ definitive record · 3-hour UTC intervals · 1932 → 2026-07-31
Max Kp
8.3
15 Oct · G4
Storm nights
13
G1×5G2×3G3×3G4×2
Time at storm level
16.9%
intervals at Kp ≥ 5−
Avg Kp
3.0
all intervals
Tap a day — its eight intervals open here.
Highlights
- G4 storm · Oct 13–16 · peak Kp 8.3
1949 · the year at a glance — storm nights by month · year peak Kp 8.7
All-time record: Kp 9.0 — reached on 27 days, most recently 2024-05-11.