Top 25 sunspot regions of 2005

On this page you will find an overview of the largest sunspot regions of the year 2005. This page is updated daily. Sunspot information comes from the NOAA SWPC.

RegionSize Number of
sunspots
Class Magn. Class Spot
12005/01/170720163037EKC
22005/09/100808143038FKC
32005/04/290756103044EKC
42005/11/16082281022EKI
52005/08/24079868012DKC
62005/05/12075863023EKC
72005/07/04078360031EKC
82005/06/10077660030EKC
92005/05/1007595407EHI
102005/12/03082649032EKC
112005/02/17073547017EKC
122005/06/19077946024EKI
132005/07/31079244019DAC
142005/07/08078642040DHI
152005/03/20074339020DKI
162005/01/16071836026FKI
172005/06/10077536016DKC
182005/03/17074235018EAO
192005/02/1207333403HHX
202005/01/2507273208DAI
212005/05/29076730025DAO
222005/09/21081025013EAI
232005/08/06079423024DAI
242005/07/04078223014DAO
252005/01/01071522022DAC
The strength of the interplanetary magnetic field is moderate (10.47nT), the direction is slightly South (-3.02nT).
The maximum X-ray flux of the past two hours is:
C6.75
A transequatorial coronal hole was detected in an earth-facing position on Thursday, 9 October 2025

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

12:51 UTC - Solar flare

Moderate M2.02 flare

alert


12:30 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.35)


03:55 UTC - Coronal hole

A transequatorial coronal hole is facing Earth. Enhanced solar wind could arrive in ~3 days

alert


Wednesday, 8 October 2025
06:45 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 05:32 UTC

alert


Tuesday, 7 October 2025
22:00 UTC - Type II Radio Emission

Begin Time: 07/10/2025 20:07 UTC Estimated Velocity: 755km/sec.


Get instant alerts!

Space weather facts

Last X-flare2025/06/19X1.9
Last M-flare2025/10/09M2.0
Last geomagnetic storm2025/10/03Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
September 2025129.8 -3.7
October 2025131 +1.2
Last 30 days130.2 -1.1

This day in history*

Solar flares
12024X1.8
22024X1.4
32024M7.77
42013M4.06
52012M2.48
DstG
12012-109G3
21960-101G2
31993-91G3
42024-81
51979-76G1
*since 1994

Social networks