Sunspot regions

Solar Dynamics Observatory HMI Continuum
Sunspot regions
RegionNumber of
sunspots
Class
Magn.
Class
Spot
40651HSX
40705CSI
40727CAI
40761HSX
40781AXX
407911EHI
Today's Sun
Sunspot number 105 -29
New regions0 -2
10.7cm Solar Radio Flux149 -5
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 50%
X-class solar flare 10%

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/30M1.9
Last geomagnetic storm2025/04/21Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025125.7 -8.5
Last 30 days126.6 -0.4

This day in history*

Solar flares
12022X1.1
22024M9.53
32022M4.8
42022M2.6
52023M2.4
DstG
11960-325G5
21990-84G2
31991-74G1
42003-67G2
52014-67
*since 1994

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