IUGG: Association of Geomagnetism and Aeronomy

(International Service of Geomagnetic Indices)


September 2018

International quiet and disturbed days

Quietest days 1 - 5:2031918
6 - 10: 6273016
Most disturbed days 1 - 5:11221013*14*

Geomagnetic Planetary Indices

Kp three-hourlydaily
12345678SumApCp
11-1-0+0+1+ 1-2o1+7+40.1
21+2o1o0+0+ 1+1+2-9+40.2
31+1+0+0+1o 1o1-1+7+40.1
42-3-3-1-1o 2-2o3o15+80.4
53+3o2-3-3- 2-1+1o17+100.5
62o1+1o0+1- 1o1+2-9+40.2
72+2o1o1-1o 1o0+1-9o40.2
80+0o2+0+1- 1o1-2-7o40.1
92-1+1+1-1+ 2-2-3-12+60.3
100+0+1-2+3- 5o4+5o21-201.0
114-5o6o6-3o 3o4-2+32+351.4
122o2o1o1+2- 3-2o4o17-90.5
134o4o3o3o3o 3+2-3o25o170.9
144+4o2+2o2o 2-3-3o22o140.8
153-2o2o2-2o 1o1-2+14+70.3
162-2+1+1+1- 0+1o2-10+50.2
173+3-2o2-2o 3-3-3-20-110.6
182+2o2o2o1- 1-1-1o11+50.2
191o2+1+0+0+ 1-0o0o6o30.1
200+0o1-0+0+ 0o0o0o2-10.0
210o1-0+1-1- 1+1+4+9+70.3
225-4+4-4o4+ 3-4o4-31+271.2
233+3-2-2+2+ 2o2o2+19-100.5
242+2o1+2o1o 1-2-2-13-60.3
252o3-1o2+3o 2o3-3-18+100.5
261o2-2o1o2- 3-1+2+14-70.3
271+2o2-2-2- 1-0+2+12-60.2
283o3o3-1-0+ 0+1-2-12+70.4
292+3-2o2o2o 2o1o3+17+90.5
301+2+0+1o1- 0+2-2-9+50.2
Mean90.42

Preliminary sudden commencements: none

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