Geomagnetic activity,
Kp-index for three days
00:00
03:00
06:00
09:00
12:00
15:00
18:00
21:00
27.09.2026
Sunday
Sunday
4
3
2
3
2
2
2
2
28.09.2026
Monday
Monday
2
2
2
2
2
1
1
2
29.09.2026
Tuesday
Tuesday
2
1
1
1
1
1
2
2
– Small disturbances
– Weak storms
– Strong storms
– Extreme storms