Kp-index
Kp-index forecast
| Min. | Max. | |
|---|---|---|
| Wednesday | Kp2 | Kp3- |
| Thursday | Kp1- | Kp3 |
| Friday | Kp1+ | Kp3- |
Real Time Solar Wind
With the current speed, it will take the solar wind 60 minutes to propagate from ACE to Earth.
Sunspot regions
Sunspot regions
Today's Sun
| Sunspot number | 68 | 22 |
| New regions | 3 | 3 |
| 10.7cm Solar Radio Flux | 112 | 7 |
| Carrington Rotation | 2310 | |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
AR4420 15Coronal Holes 42/44 98Incoming & Unnumbered Active Regions 278Current Farside Activity 460AR potential 4420 (not officially named yet) 5
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/09 | M1.0 |
| Last geomagnetic storm | 2026/04/20 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 78.7 -7.2 |
| Last 30 days | 91.5 +25.1 |
This day in history*
Aurora on this day in history
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