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Geomagnetic activity in July 2019
Mean Ap5.4No. 1091 of 1138
G1+ days2
G3+ days0
Max Ap159 Jul 2019
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 9 Jul 2019 | 5o | 15 | G1 |
| 10 Jul 2019 | 5- | 15 | G1 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 2018 | 5.4 | 1 | 0 |
| July 2019 | 5.4 | 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 5.4 in July 2019, No. 1091 of 1138 months since 1932; 2 days reached G1 or higher.