Top 25 sunspot regions of 2011

On this page you will find an overview of the largest sunspot regions of the year 2011. This page is updated daily. Sunspot information comes from the NOAA SWPC.

RegionSize Number of
sunspots
Class Magn. Class Spot
12011/11/051339154033FKC
22011/09/251302130012FKC
32011/03/06116477028FKC
42011/03/13116677029EKC
52011/08/05126372017EKC
62011/02/17115862019EKC
72011/12/06136362035EKI
82011/10/25133056013EKO
92011/09/24129555014EKC
102011/12/24138450012DHO
112011/12/31138950015EKC
122011/03/24117649012EKO
132011/09/11128945011DHO
142011/12/23137644013DKO
152011/04/17119044024EKI
162011/04/18119343021EAI
172011/10/18131942032EKI
182011/03/08116542018FKO
192011/04/26119540025EHI
202011/11/2213564006EHC
212011/08/03126139025FKC
222011/11/04133837520EHI
232011/10/1313143704CHO
242011/05/30122636012EKI
252011/10/21132436027EKC

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!

No Ads on SWL Pro!
No Ads on SWL Pro! Subscriptions
Donations
Support SpaceWeatherLive.com! Donate
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2026/02/04X4.21
Last M-flare2026/03/28M1.3
Last geomagnetic storm2026/03/25Kp5+ (G1)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
February 202678.2 -34.3
March 202685.2 +7
Last 30 days85.2 +8.6

This day in history*

Solar flares
12001X2.45
22014X1.45
32023X1.2
42024M3.2
52001M3.13
DstG
11959-154G3
21979-129G3
31989-125G3
41957-121G4
51984-86G2
*since 1994

Aurora on this day in history

No observations submitted for this day in history. If you've observed the aurora and you have some amazing photos to show off, submit your observations now!
Submit your aurora observation

Social networks