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Real-time auroral and solar activity

Kp-index

Kp-index Aurora forecast
Kp-index The Low, Middle and High Latitude
Kp-index forecast
Min. Max.
SundayKp2+Kp5-
MondayKp2Kp4-
TuesdayKp2Kp2+

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
Info More data
The solar wind The Interplanetary Magnetic Field (IMF)

Auroral oval

Aurora map
North America Europe and Asia South-America and Eastern Pacific Africa and Australia
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Hemispheric Power
Northern hemisphere
Southern hemisphere

Magnetometers

More data Info
Magnetometer stackplots of TGO, DTU Space and FMI
More data Info
CANadian Magnetic Observatory System
More data Info

Disturbance Storm Time index

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Moon phase


Waxing Gibbous
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Sunspot regions

Solar Dynamics Observatory HMI Continuum
Sunspot regions
RegionNumber of
sunspots		Class
Magn. 		Class
Spot
44192DSO
442030EKC
44212HSX
44221HRX
44237DSO
442410DSI
442510DAI
44261AXX
44271AXX
More data
What are sunspots? The magnetic classification of sunspots The classification of sunspots after Malde
Today's Sun
Sunspot number 154 31
New regions2 -1
10.7cm Solar Radio Flux148 2
Carrington Rotation2310

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 55%
X-class solar flare 15%

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 news

Latest forum messages

AR4420 131CMEs from AR4420 (April 23th - 24th) 45AR4425 11AR4423 13AR4424 2
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Space weather facts

Last X-flare2026/04/24X2.5
Last M-flare2026/04/26M1.3
Last geomagnetic storm2026/04/20Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (3%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
March 202685.9 +7.7
April 202682.9 -3
Last 30 days91.4 +12.3

This day in history*

Solar flares
12001X1.13
22003X1
32003M3.71
42003M3.05
52003M3.02
DstG
11989-132G3
21984-93G4
31981-85G3
41979-80
51960-72
*since 1994

Aurora on this day in history

No observations submitted for this day in history. If you've observed the aurora and you have some amazing photos to show off, submit your observations now!
Submit your aurora observation

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