IUGG: Association of Geomagnetism and Aeronomy

(International Service of Geomagnetic Indices)


May 2018

International quiet and disturbed days

Quietest days 1 - 5:121192026
6 - 10: 325152416
Most disturbed days 1 - 5:657*11*9*

Geomagnetic Planetary Indices

Kp three-hourlydaily
12345678SumApCp
10o0+1o0+0+ 0+0+1-3+20.0
21o2o2-1o1o 1-0+0o8-40.1
30+0+0+0+1- 1-1o1+5o30.1
40+1-1+1-1- 1o1+1o7o40.1
51-1-0+3-4o 5-4+6-23o231.1
66-4o3+3-3o 2+4+4+30-261.2
74-4o3o2-3o 3+2+3+24+160.9
83-3o2+3-3- 4-4-2o23-140.8
93+3-2+2-2+ 2+4o4-22+140.8
103+3-3o2o2o 3o1-3-19+110.6
112o3+4-2-3o 2o4-3+23-140.8
123-4-1o1+1o 1-2-2o14o80.4
131-2-2+2o2o 2o2+2+15+70.4
141o1o1o1-1- 1-1-2o8-40.1
150o0+1-0+1- 1+1-1o5o30.0
160o0o0+0+1+ 1-1+1+5+30.0
173-2-2-3-3o 2+2+2o18+100.5
182-1o0+1o1+ 1o1o1o8+40.1
190o0o0o0+1- 1o1o0+3+20.0
200+1o1o0+1- 0+0o0+4o20.0
210o1-0+1-0o 0+0o1o3o20.0
220o0+2o1-1+ 1+2o2-9+40.2
231+2o3+3-2+ 1+1-1+15o80.4
241o1+0+0+1- 1-0+1-5+30.1
251+0+0+0+1+ 0+0+0+5-30.0
260o1-0+0+1- 0+1o1+5-30.0
271o1+0+1+1- 0+1-1-6+30.1
280+1o1o1o2- 1+1-0+7+40.1
291-2-1-1-1o 1-1-0+6+30.1
300+0+1-0+1- 1o2-2-7-40.1
311+1+1-1+2- 4-4+3o17+120.7
Mean70.32

Preliminary sudden commencements:05d10h25m

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