# DOI: https://doi.org/10.5880/Kp.0001 # LICENCE: CC BY 4.0, please cite: # Matzka, J., Bronkalla, O., Tornow, K., Elger, K. and Stolle, C., 2021. # Geomagnetic Kp index. V. 1.0. GFZ Data Services, # https://doi.org/10.5880/Kp.0001 # Matzka, J., Stolle, C., Yamazaki, Y., Bronkalla, O. and Morschhauser, A., # 2021. The geomagnetic Kp index and derived indices of geomagnetic activity. # Space Weather, https://doi.org/10.1029/2020SW002641 # The Kp index was introduced by Bartels (1949) and is produced by Geomagnetic # Observatory Niemegk, GFZ German Research Centre for Geosciences. International Quietest Days Most Disturbed Days Month Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 D1 D2 D3 D4 D5 Jan 2022 7 6 13 12 24 5 11 20K 4K 10 19 15 18* 16* 29* Feb 2022 26 9 15 8 17 18 1K 24K 7 23 4 3 10 11* 22* Mar 2022 18 2 21 3 19 9 17 8 16 23 13 31 5 11 6* Apr 2022 26 25 24 5 6 22 19K 16A 8A 3A 14 10 15 2 9* May 2022 7 10 5 24 26 6 23 11 2 8 28 27* 29* 20* 17* Jun 2022 4 30 3 5 2 10 9 8 29 1 26 15* 25* 13* 17* Jul 2022 5 17 29 14 6 13 25 9 20 10 19 7* 8* 4* 21 Aug 2022 24 6 25 23 26 16 15 14 4 5K 18 8 17 7 9* Sep 2022 13 28 16 17 21 26K 25 22K 29 15K 4 5 3 27 6* Oct 2022 1 13 19 25 21 17K 26 12 18 11K 29 3 9 22 4* Nov 2022 10 17 15 22 6 23 16 14 19 12 3 30 28 29 25* Dec 2022 17 13 6 18 14 16 28 20 15 12 30 1 27 24 23