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Sunspot regions

Solar Dynamics Observatory HMI Continuum
Sunspot regions
RegionNumber of
sunspots		Class
Magn. 		Class
Spot
39891HHX
39906CKO
39933CHO
39941AXX
39968FKO
39973BXO
399822DAI
39993CRO
More data
What are sunspots? The magnetic classification of sunspots The classification of sunspots after Malde
Today's Sun
Sunspot number 123 4
New regions0
10.7cm Solar Radio Flux184 6
Carrington Rotation2294

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 99%
M-class solar flare 40%
X-class solar flare 10%

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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AR 3998 18Incoming & Unnumbered Active Regions 1549Ask your obscure/"stupid" space weather questions. 252AR 3996 7Filaments and prominences 667
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Space weather facts

Last X-flare2025/01/04X1.85
Last M-flare2025/02/17M1.1
Last geomagnetic storm2025/02/19Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
January 2025137 -17.5
February 2025152.1 +15.1
Last 30 days149.7 -13.9

This day in history*

Solar flares
12024X1.9
22002M5.62
32023M5.0
42023M4.7
52000M2.6
DstG
11992-171G3
21994-135G4
31973-121G3
41979-107G3
51990-67
*since 1994

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