Maximum Kp index on September 20, 2026
Kp = 2
Maximum Kp index on September 20, 2026
The Earth's magnetosphere was quiet
Kp = 2
Geomagnetic storms in San Jose on September 20, 2026
Time zone — UTC−07 — summer time (San Jose | 37.3 N 121.81 W)
Geomagnetic storms in San Jose in September 2026
Time zone — UTC−07 — summer time (San Jose | 37.3 N 121.81 W)
Geomagnetic activity indices on September 20, 2026
| Geomagnetic index Ap | 6 |
|---|---|
| Solar radio flux F10.7 | 101 |