Kp-index
Kp-index forecast
| Min. | Max. | |
|---|---|---|
| Friday | Kp2 | Kp5- |
| Saturday | Kp3 | Kp6- |
| Sunday | Kp3- | Kp5- |
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 | 81 | -33 |
| New regions | 0 | -1 |
| 10.7cm Solar Radio Flux | 127 | 3 |
| Carrington Rotation | 2312 | |
Latest news
Thursday, 4 June 2026
G3 geomagnetic storm watch for 4 and 5 June
Wednesday, 13 May 2026
Coronal hole faces Earth
Monday, 30 March 2026
X1.5 solar flare
Latest forum messages
Noctilucent clouds 41AR4465 40AR4464 7Why might a terrestrial magnetometer miss a minor event? 12Coronal Hole 63 38
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Space weather facts
| Last X-flare | 2026/06/03 | X1.0 |
| Last M-flare | 2026/06/06 | M1.8 |
| Last geomagnetic storm | 2026/06/11 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| May 2026 | 101.4 +22.1 |
| June 2026 | 129 +27.6 |
| Last 30 days | 108.8 +14.9 |
This day in history*
Aurora on this day in history
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