Top 25 sunspot regions

On this page you will find an overview of the largest sunspot regions since June 1996. This page is updated daily. Sunspot information comes from the NOAA SWPC.

RegionSize Number of
sunspots
Class Magn. Class Spot
12014/10/272192275060FKC
22003/10/3004862610108FKC
32001/03/309393244051FKI
42024/05/103664240058FKC
52000/09/209169214028FKC
62004/07/220652201067FKC
72002/08/200069199060EKC
82003/10/230484175056EKC
92003/10/310488175034FKC
102005/01/170720163037EKC
112014/02/051967158073FKC
122014/01/0919441560118FKC
132011/11/051339154033FKC
142002/09/110105152040FKI
152012/07/131520146053FKC
161998/09/048323146033FKC
172024/02/253590145029FKC
182005/09/100808143038FKC
192001/11/119690142074FKC
201999/08/038651137043FKI
212004/08/140656136099FKC
222002/07/170030135071FKC
232011/09/251302130012FKC
242024/08/0937801280128FKC
251999/11/198765128035EKC

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Last X-flare2024/10/31X2.0
Last M-flare2024/11/04M3.6
Last geomagnetic storm2024/10/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
September 2024141.4 -74.1
November 2024224 +82.6
Last 30 days160.1 +6.2

This day in history*

Solar flares
12013X4.93
21998X1.21
32014X1.14
42003M7.6
52004M5.72
DstG
12023-172G3
21991-92G2
31986-74G1
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*since 1994

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