List of magnetic storms in August 2009
Location — Kostroma (geographic coordinates — 57.77 N 40.93 E | time zone UTC+03)
Days with magnetic storms — 1
30 August 2009 — Magnetic storm of level G2
Days with geomagnetic disturbances — 2
06 August 2009 — geomagnetic disturbances
20 August 2009 — geomagnetic disturbances
Maximum of solar activity in August 2009
Solar radio flux (10.7 cm) = 69
Mean planetary A index = 19
Mean planetary Kp index = 6