Geomagnetic activity,
Kp-index for three days
02:00
05:00
08:00
11:00
14:00
17:00
20:00
23:00
19.12.2025
Friday
Friday
2
-
3
3
3
2
2
1
20.12.2025
Saturday
Saturday
1
3
3
3
2
2
2
1
21.12.2025
Sunday
Sunday
2
2
2
1
1
1
2
1
– Small disturbances
– Weak storms
– Strong storms
– Extreme storms