List of magnetic storms in October 2009
Location — Sarnia (geographic coordinates — 42.99 N -82.4 W | time zone UTC-04 - summer time)
There were no days with an increased level of geomagnetic disturbance in October 2009
Maximum of solar activity in October 2009
Solar radio flux (10.7 cm) = 82
Mean planetary A index = 14
Mean planetary Kp index = 4