Maximum Kp index on September 20, 2026
Kp = 3
Maximum Kp index on September 20, 2026
The Earth's magnetosphere was quiet
Kp = 3
Geomagnetic storms in Hartford on September 20, 2026
Time zone — UTC−04 — summer time (Hartford | 41.77 N 72.68 W)
Geomagnetic storms in Hartford in September 2026
Time zone — UTC−04 — summer time (Hartford | 41.77 N 72.68 W)
Geomagnetic activity indices on September 20, 2026
| Geomagnetic index Ap | 6 |
|---|---|
| Solar radio flux F10.7 | 101 |