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Geomagnetic activity in June 2011
Mean Ap8.1No. 926 of 1138
G1+ days2
G3+ days0
Max Ap255 Jun 2011
Daily Ap
Daily max Kp
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 4 Jun 2011 | 5+ | 13 | G1 |
| 5 Jun 2011 | 6+ | 25 | G2 |
Same month a year earlier
| Month | Mean Ap | G1+ | G3+ |
|---|---|---|---|
| June 2010 | 6.8 | 1 | 0 |
| June 2011 | 8.1 | 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 8.1 in June 2011, No. 926 of 1138 months since 1932; 2 days reached G1 or higher.