IUGG: Association of Geomagnetism and Aeronomy

(International Service of Geomagnetic Indices)


April 2017

International quiet and disturbed days

Quietest days 1 - 5:161731310
6 - 10: 302812K2918K
Most disturbed days 1 - 5:2223204*24*

Geomagnetic Planetary Indices

Kp three-hourlydaily
12345678SumApCp
13-3-3o3o3- 4+3o2+24-150.9
22o2+2o1+2+ 3o1o0+14+70.4
30+1-1-1+2o 1+1-1-8-40.1
43-4-5-5-3o 1+1-3o24-191.0
52-1o2+1+1+ 2o2+3+15+80.4
61+0+1o1+2+ 3o2-1+12+60.3
73o2o2o2-1- 1-3-3+16o90.5
83o3o4-3-2o 2o3-4+23+150.9
94o5-3o3-2+ 2+1-1o21-150.8
102+0+0+0+2o 1+1o1+9o40.2
111o1+3-3o2+ 2o4-2+18+100.6
123o2o1+1o0+ 0+0+0o8+50.2
130+1o0+0o1- 1+2+1+7+40.1
143o3+3-2o3- 2o3-2o20+110.6
153+2o2-0+1- 1-1+0+10+60.3
161-1-1+1o0+ 0+1o1o6+30.1
170+0+1+1-1+ 1-1-1o6+30.1
182+0+0+1-1o 1+2-3o11-60.3
193o4+3+1+1- 2o3o3o21-140.8
205-6-4o5-3+ 3-3o2+30+281.2
210+1+1o0+2- 4+5o5-19-170.9
225o6-5o5o5o 5-4-5+39+471.5
234o4o5+4+5o 5-4o4+36-361.4
243+4o3+4-2o 3+4-3+27-191.0
253-3-2+2o3o 2o2+2o19o100.5
263-1+2+1+2- 2+2+2+16+80.4
272+2+2+1-1- 1-2o1+12+60.3
281o1o2-1-1+ 1o1+2+10+50.2
292-1o2-1+1o 1o2o2o12-50.2
301+1-1-1+1o 2-2o2-10+50.2
Mean120.55

Preliminary sudden commencements: none

Editor: Deutsches GeoForschungsZentrum Potsdam
Adolf-Schmidt-Observatorium für Geomagnetismus
Lindenstraße 7
D-14823 Niemegk
F.R. Germany