Kp index — July 1949
The Kp archive
GFZ definitive record · 3-hour UTC intervals · 1932 → 2026-07-31
Max Kp
5.0
12 Jul · G1
Storm nights
2
G1×2
Time at storm level
1.2%
intervals at Kp ≥ 5−
Avg Kp
1.6
all intervals
Tap a day — its eight intervals open here.
Highlights
- G1 storm · Jul 12 · peak Kp 5.0
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.