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Geomagnetic activity in June 2004
Mean Ap8.0No. 931 of 1138
G1+ days0
G3+ days0
Max Ap1929 Jun 2004
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| – | – | – | – |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| June 2003 | 23.9 | 16 | 1 |
| June 2004 | 8.0 | 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 8.0 in June 2004, No. 931 of 1138 months since 1932; 0 days reached G1 or higher.