Top 25 sunspot regions of 2001

On this page you will find an overview of the largest sunspot regions of the year 2001. This page is updated daily. Sunspot information comes from the NOAA SWPC.

RegionSize Number of
sunspots
Class Magn. Class Spot
12001/03/309393244051FKI
22001/11/119690142074FKC
32001/11/019682121061EKC
42001/09/119608111052FKC
52001/04/269433107082FKI
62001/12/269742107049FKC
72001/12/01971599025EKC
82000/12/31928989024EKI
92001/04/08941588023EKO
102001/09/25962888066FKC
112001/09/06960183040EKI
122001/10/17966180034EKC
132001/09/25963279023DKI
142001/08/26959174032FKI
152001/11/11969274023EKI
162001/12/07971872023EKI
172001/05/24946372033EKI
182001/06/17950672017FKI
192001/10/27967868048EKC
202001/12/14972763024EKI
212001/11/24970462026DKI
222001/03/09936861021EKI
232001/08/08955760012DKI
242001/10/27967259015DKI
252001/09/13961058060EKC

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-flare2026/03/30X1.5
Last M-flare2026/04/09M1.0
Last geomagnetic storm2026/04/19Kp6- (G2)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 202681 -4.9
Last 30 days92.5 +30.9

This day in history*

Solar flares
12022X2.25
22022M7.29
32001M5.99
41998M1.96
52022M1.9
DstG
12002-149G3
21985-124G3
31981-97G2
41973-76G2
51975-70G2
*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