Aurora & Space WeatherHome › Geomagnetic history › 1997
Geomagnetic activity in July 1997
Mean Ap6.1No. 1055 of 1138
G1+ days0
G3+ days0
Max Ap157 Jul 1997
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| – | – | – | – |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| July 1996 | 6.6 | 0 | 0 |
| July 1997 | 6.1 | 0 | 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 6.1 in July 1997, No. 1055 of 1138 months since 1932; 0 days reached G1 or higher.