List of magnetic storms in August 2009
Location — Station Vostok (geographic coordinates — 78.45 S 106.83 E | time zone UTC+03)
Days with magnetic storms — 3
09 August 2009 — Magnetic storm of level G1
19 August 2009 — Magnetic storm of level G1
30 August 2009 — Magnetic storm of level G2
Days with geomagnetic disturbances — 5
05 August 2009 — geomagnetic disturbances
06 August 2009 — geomagnetic disturbances
12 August 2009 — geomagnetic disturbances
20 August 2009 — geomagnetic disturbances
21 August 2009 — geomagnetic disturbances
Maximum of solar activity in August 2009
Solar radio flux (10.7 cm) = 69
Mean planetary A index = 24
Mean planetary Kp index = 6

