List of magnetic storms in April 2001
Location — Yakutsk (geographic coordinates — 62.17 N 129.83 E | time zone UTC+09)
Days with magnetic storms — 13
01 April 2001 — Magnetic storm of level G4
05 April 2001 — Magnetic storm of level G1
08 April 2001 — Magnetic storm of level G2
09 April 2001 — Magnetic storm of level G1
10 April 2001 — Magnetic storm of level G1
12 April 2001 — Magnetic storm of level G4
13 April 2001 — Magnetic storm of level G3
14 April 2001 — Magnetic storm of level G1
18 April 2001 — Magnetic storm of level G3
22 April 2001 — Magnetic storm of level G1
23 April 2001 — Magnetic storm of level G1
28 April 2001 — Magnetic storm of level G1
29 April 2001 — Magnetic storm of level G1
Days with geomagnetic disturbances — 7
02 April 2001 — geomagnetic disturbances
03 April 2001 — geomagnetic disturbances
06 April 2001 — geomagnetic disturbances
07 April 2001 — geomagnetic disturbances
11 April 2001 — geomagnetic disturbances
15 April 2001 — geomagnetic disturbances
19 April 2001 — geomagnetic disturbances
Maximum of solar activity in April 2001
Solar radio flux (10.7 cm) = 258
Mean planetary A index = 60
Mean planetary Kp index = 8