Geomagnetic activity,
Kp-index for three days
01:00
04:00
07:00
10:00
13:00
16:00
19:00
22:00
19.12.2025
Friday
Friday
4
3
2
2
2
-
3
3
20.12.2025
Saturday
Saturday
3
2
2
1
1
3
3
3
21.12.2025
Sunday
Sunday
2
2
2
1
2
2
2
1
– Small disturbances
– Weak storms
– Strong storms
– Extreme storms