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Geomagnetic activity in July 2018
Mean Ap5.4No. 1090 of 1138
G1+ days1
G3+ days0
Max Ap175 Jul 2018
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 5 Jul 2018 | 5- | 17 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 2017 | 8.9 | 3 | 0 |
| July 2018 | 5.4 | 1 | 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 5.4 in July 2018, No. 1090 of 1138 months since 1932; 1 days reached G1 or higher.