List of magnetic storms in April 2009
Location — Mirny (Sakha Republic) (geographic coordinates — 62.05 N 113.95 E | time zone UTC+09 )
Days with geomagnetic disturbances — 1
09 April 2009 — geomagnetic disturbances
Changes in the maximum daily geomagnetic index Kp in April 2009 for mid latitudes
Location — Mirny (Sakha Republic) (geographic coordinates — 62.05 N 113.95 E | time zone UTC+09 )

Location — Mirny (Sakha Republic) (geographic coordinates — 62.05 N 113.95 E | time zone UTC+09 )
09 April 2009 — geomagnetic disturbances
Solar radio flux (10.7 cm) = 71
Mean planetary A index = 12
Mean planetary Kp index = 4