List of magnetic storms in July 2009
Location — Philadelphia (geographic coordinates — 40.01 N -75.13 W | time zone UTC-04 - summer time )
Days with magnetic storms — 2
21 July 2009 — Magnetic storm of level G2
22 July 2009 — Magnetic storm of level G2
Days with geomagnetic disturbances — 1
13 July 2009 — geomagnetic disturbances