IUGG: Association of Geomagnetism and Aeronomy

(International Service of Geomagnetic Indices)


January 2018

International quiet and disturbed days

Quietest days 1 - 5:18177116
6 - 10: 32941228
Most disturbed days 1 - 5:14*22*1*25*9*

Geomagnetic Planetary Indices

Kp three-hourlydaily
12345678SumApCp
13+4-2+2+3- 1o1o1+18-100.6
22-1-0+1-2- 1o2o1o9o40.2
30o1-1o1-0+ 1o0+0o4o20.0
41-0o1o0o1- 0+1+1o5o30.0
51-2-1+1-1- 1+1o2o9+40.2
61+0o1-0o0+ 0o0+0+3o20.0
71o0o0o0o0+ 1-1-0+3o20.0
80+1-2+2-4- 3o2o2-15+90.5
94-2+2o1+2o 2o2-2-17-90.5
101+2-1o1o0+ 1o0+0o7-30.1
110+1o0o0+1- 0o0+1-3+20.0
121-1+1o1o1- 1+0+0o6+30.1
130o0o1+1+2o 2-3o2+12-60.3
145-4o2o1+2- 2o1o2o19-130.7
154-2o3-1+1- 2o2-2o16o90.5
162o0+1-1+1- 1-1o1o8-40.1
170o0o0o1-0+ 0o0o0+1+10.0
180o0+0o0o0+ 0+0+0+2-10.0
191+3-2+2-1- 1-2+3-14+70.4
203-3o3-1o1- 1o1+1o13+70.4
211o1-2-2+3o 2o3o3-16+90.5
223o3o2o2-1o 3-3+3-19+110.6
232o2o0+1-1o 1+0+0+8o40.1
240o0o0+1-3o 3+1o4o12+90.5
253o2+2o2o1+ 3o2+2-18-90.5
263o2+3-1o0+ 1-2-2-13+70.4
273-2-1-1o1o 1+2-1+11+60.3
281o1o0o1-1+ 1-0+2-7-30.1
290+0+1o1o1- 1-1o0+5+30.1
301-2+2-1-0+ 0o0+0+6+30.1
310o0o1+2o2+ 2-1+3-11+60.2
Mean60.26

Preliminary sudden commencements: none

Editor: GFZ German Research Centre for Geosciences
Adolf Schmidt Observatory for Geomagnetism
https://www.gfz-potsdam.de/en/kp-index/