Geomagnetic activity,
Kp-index for three days
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
20.12.2025
Saturday
Saturday
-
3
3
2
2
2
1
2
21.12.2025
Sunday
Sunday
2
2
2
2
1
1
1
1
22.12.2025
Monday
Monday
2
2
2
2
3
4
4
4
– Small disturbances
– Weak storms
– Strong storms
– Extreme storms