Kp-index

Kp-index forecast
Min. Max.
WednesdayKp1Kp4
ThursdayKp1+Kp2-
FridayKp1+Kp2-

Real Time Solar Wind

With the current speed, it will take the solar wind 60 minutes to propagate from ACE to Earth.
Solar wind
Speed: km/sec
Density: p/cm3
Interplanetary Magnetic Field
Bt: nT
Bz: nT

Sunspot regions

Solar Dynamics Observatory HMI Continuum
Sunspot regions
RegionNumber of
sunspots
Class
Magn.
Class
Spot
43811CAO
43845AXX
43873AXX
43887AXX
43893AXX
Today's Sun
Sunspot number 71 -1
New regions1
10.7cm Solar Radio Flux127 -1
Carrington Rotation2308

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 90%
M-class solar flare 20%
X-class solar flare 1%

Latest news

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Space weather facts

Last X-flare2026/02/04X4.21
Last M-flare2026/02/25M2.4
Last geomagnetic storm2026/03/03Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (4%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
February 202678.2 -34.3
March 202674.4 -3.8
Last 30 days52.8 -75.1

This day in history*

Solar flares
12015X3.15
22014M5.12
32015M4.16
42015M3.75
52015M2.7
DstG
11979-135G1
21957-131
31993-120G3
41998-107G1
52011-83G2
*since 1994

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