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Geomagnetic activity in May 2022
Mean Ap7.5No. 973 of 1138
G1+ days2
G3+ days0
Max Ap2228 May 2022
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 27 May 2022 | 5o | 18 | G1 |
| 28 May 2022 | 5o | 22 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| May 2021 | 6.5 | 3 | 1 |
| May 2022 | 7.5 | 2 | 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 7.5 in May 2022, No. 973 of 1138 months since 1932; 2 days reached G1 or higher.