IUGG: Association of Geomagnetism and Aeronomy

(International Service of Geomagnetic Indices)


August 2017

International quiet and disturbed days

Quietest days 1 - 5:28152692
6 - 10: 308251410
Most disturbed days 1 - 5:3119172320

Geomagnetic Planetary Indices

Kp three-hourlydaily
12345678SumApCp
11-1-1+2-2+ 1o0+1-9-40.2
21o1-0+1o2- 2-1-1o8o40.1
30+1-0+1o2- 4-4-4-15o100.6
42+3+4-4+4+ 4+3+3-28+221.1
53-4-3-2o3- 4-3+3o24-150.8
63+2o2+4+2+ 1+3-2o20+120.7
71-2-2-2o2- 1-0+1-9+40.2
80+1-1-1o1o 2-2o1-8o40.1
90o0+1o1o1+ 1o1+1o7o40.1
100o1o1+1+2o 1o0+2-9-40.1
112-2-1+1+1+ 2-3o1+13+70.3
123-3+2o1o1+ 1-3-3-16+90.5
132+2o2-1+2o 1+2-2o14+60.3
142o1o0+1o1+ 1o1o1o9-40.1
151-1o0+0+0o 0+0+1o4o20.0
161+1-1o1+1+ 1+2o2o11o50.2
173-2o5-5-5- 3o4-4-29o241.2
184+3o2-3o4- 3o5-3-26o201.0
194+3+5-4+4o 5-3o4+33-291.3
204+5o3o2+2+ 3+3o3o26+201.0
212+2+3o3-2- 1+2o3-18o90.5
225-4+3o2-3- 2+2o3+24o170.9
233o4-3o2+4+ 5-5-3-28+231.1
243o4-3o2-2+ 2-0+0+16o100.5
250o1-1+1+2- 1o1-2-8+40.1
260+0+1o0+1- 1+1o1-6-30.1
272+1o0+2-1+ 3-3o3o15+80.5
281-1-1-1-0+ 1-0o1-4+20.0
291o1+1+1o1o 2+4o2+14+80.5
302o2o1o0+0o 0+1-0o6+30.1
312-3o5+5+5o 4o4-3-31-301.3
Mean110.50

Preliminary sudden commencements: none

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