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Geomagnetic activity in July 2023
Mean Ap8.3No. 911 of 1138
G1+ days3
G3+ days0
Max Ap2117 Jul 2023
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 14 Jul 2023 | 5- | 20 | G1 |
| 17 Jul 2023 | 5- | 21 | G1 |
| 26 Jul 2023 | 5- | 19 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 2022 | 9.6 | 6 | 0 |
| July 2023 | 8.3 | 3 | 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 8.3 in July 2023, No. 911 of 1138 months since 1932; 3 days reached G1 or higher.