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Real-time auroral and solar activity

Sunspot regions

Solar Dynamics Observatory HMI Continuum
Sunspot regions
RegionNumber of
sunspots		Class
Magn. 		Class
Spot
40284AXX
40301HSX
40354CSO
40368DHI
More data
What are sunspots? The magnetic classification of sunspots The classification of sunspots after Malde
Today's Sun
Sunspot number 85 -25
New regions0
10.7cm Solar Radio Flux156 -12
Carrington Rotation2295

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 30%
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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AR14028 2025/03/21 CME 2025/03/23 G3 Watch 341Photographing auroras 8Photographing auroras 0New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 35More on an art than a science 2
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Space weather facts

Last X-flare2025/02/23X2.0
Last M-flare2025/03/21M1.2
Last geomagnetic storm2025/03/22Kp6- (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
March 2025138.3 -16.4
Last 30 days136.1 -18.1

This day in history*

Solar flares
12024M4.4
22001M3.71
32001M3.57
42004M3.43
52008M2.47
DstG
11991-298G4
21990-111G2
31983-103G2
41969-97G1
52024-88G1
*since 1994

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