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Sunspot regions

Solar Dynamics Observatory HMI Continuum
Sunspot regions
RegionNumber of
sunspots		Class
Magn. 		Class
Spot
40798CKI
40815CAO
40821HSX
40841HSX
40855BXO
More data
What are sunspots? The magnetic classification of sunspots The classification of sunspots after Malde
Today's Sun
Sunspot number 77 -7
New regions0 -1
10.7cm Solar Radio Flux134 -2
Carrington Rotation2297

Solar flares

SDO AIA 131
Solar activity past two hours
Current value
2h max
24h max
More data Help
Flare probability
C-class solar flare 95%
M-class solar flare 40%
X-class solar flare 5%

Coronal holes

SDO AIA 193
More data Help

Coronal mass ejections

CCOR-1
SOHO LASCO C2
Latest CMEs SOHO GOES STEREO
What is a Coronal Mass Ejection (CME)? How do we know if a CME is Earth directed and when it's going to arrive?

Solar protons

Info Help

Far side

GONG Calibrated Farside Map
© NSO/GONG
STEREO
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Latest forum messages

Growth of Cycle 25 852Solar filters and telescopes 18AR 14079 157Unspecified geomagnetic activity 2418Current Farside Activity 6
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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/30M2.03
Last geomagnetic storm2025/05/03Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
April 2025140.6 +6.4
May 202578.8 -61.8
Last 30 days103.5 -33.8

This day in history*

Solar flares
12024X3.98
22022X1.51
32012M8.25
42024M5.97
52013M5.67
DstG
12024-351G4
21992-288G4
31981-99G3
41993-91G2
52003-84G3
*since 1994

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