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Top 25 sunspot regions of 2013

On this page you will find an overview of the largest sunspot regions of the year 2013. This page is updated daily. Sunspot information comes from the NOAA SWPC.

RegionSize Number of
sunspots
Class Magn. Class Spot
12013/01/121654110036FKI
22013/04/251726100017FKC
32013/11/06189095039EKC
42013/10/29187577015EKC
52013/07/06178572042EKC
62013/11/15189963010DKI
72013/11/14189761029EKC
82013/05/12174560015EKC
92013/05/04173459022EKI
102013/04/04171158019CKO
112013/06/06176254016EKO
122013/04/12171851023DKC
132013/11/19189348015EKI
142013/10/16186148017DHO
152013/02/22167847011DKC
162013/12/22192846028EKC
172013/10/31188446015EKC
182013/10/25187744019DKC
192013/04/27173142017DKC
202013/12/1919174204DKI
212013/06/19177541018DKC
222013/12/1619214009HKX
232013/01/0716403604EHO
242013/10/30188236034DKC
252013/12/02190935023DKC

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Yellowknife, NT
The solar wind speed is currently high (750.57 km/sec.)
The strength of the interplanetary magnetic field is moderate (16.54nT), the direction is North (9.88nT).
The maximum X-ray flux of the past two hours is:
M1.76

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Latest alerts

07:36 UTC - Solar flare

Moderate M1.76 flare from sunspot region 4274

alert


07:03 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.02)


06:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 04:48 UTC

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05:03 UTC - Coronal mass ejection arrival

CME impact detected - Current Solar Wind Speed 811km/sec - IMF: Bt (strength): 16nT & Bz: 16nT (North).

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03:30 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 02:20 UTC

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Space weather facts

Last X-flare2025/11/04X1.1
Last M-flare2025/11/06M1.1
Last geomagnetic storm2025/11/06Kp7- (G3)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
September 2025129.8 -3.7
November 202570.8 -59
Last 30 days92.1 -37.9

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