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Geomagnetic activity in September 2022
Mean Ap12.1No. 575 of 1138
G1+ days4
G3+ days0
Max Ap624 Sep 2022
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 3 Sep 2022 | 5o | 22 | G1 |
| 4 Sep 2022 | 6+ | 62 | G2 |
| 5 Sep 2022 | 5o | 36 | G1 |
| 27 Sep 2022 | 5+ | 22 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| September 2021 | 6.6 | 1 | 0 |
| September 2022 | 12.1 | 4 | 0 |
Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.
About this page
Mean Ap 12.1 in September 2022, No. 575 of 1138 months since 1932; 4 days reached G1 or higher.