Geomagnetic activity,
Kp-index for three days
00:00
03:00
06:00
09:00
12:00
15:00
18:00
21:00
19.12.2025
Friday
Friday
5
4
3
2
2
2
-
3
20.12.2025
Saturday
Saturday
3
3
2
2
1
1
3
3
21.12.2025
Sunday
Sunday
3
2
2
2
1
2
2
2
– Small disturbances
– Weak storms
– Strong storms
– Extreme storms