Maximum Kp index on October 17, 2025
Kp = 4
Maximum Kp index on October 17, 2025
Geomagnetic disturbances were observed
Kp = 4
Geomagnetic storms in Greater Sudbury on October 17, 2025
Time zone — UTC−04 — summer time (Greater Sudbury | 46.49 N 81.01 W)
Geomagnetic storms in Greater Sudbury in October 2025
Time zone — UTC−04 — summer time (Greater Sudbury | 46.49 N 81.01 W)
Geomagnetic activity indices on October 17, 2025
| Geomagnetic index Ap | 9 |
|---|---|
| Solar radio flux F10.7 | 164 |