List of magnetic storms in August 2011
Location — Sarnia (geographic coordinates — 42.99 N -82.4 W | time zone UTC-04 - summer time)
Days with magnetic storms — 2
05 August 2011 — Magnetic storm of level G4
06 August 2011 — Magnetic storm of level G1
Days with geomagnetic disturbances — 2
14 August 2011 — geomagnetic disturbances
23 August 2011 — geomagnetic disturbances
Maximum of solar activity in August 2011
Solar radio flux (10.7 cm) = 125
Mean planetary A index = 49
Mean planetary Kp index = 8