Kp-index
Kp-index forecast
| Min. | Max. | |
|---|---|---|
| Thursday | Kp2- | Kp4- |
| Friday | Kp4- | Kp6- |
| Saturday | 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 | 56 | -2 |
| New regions | 2 | 2 |
| 10.7cm Solar Radio Flux | 103 | -8 |
| Carrington Rotation | 2311 | |
Latest news
Wednesday, 13 May 2026
Coronal hole faces Earth
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Latest forum messages
AR4436 152Incoming & Unnumbered Active Regions 374Unspecified geomagnetic activity 248Current Farside Activity 481Coronal Hole 53 11
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/10 | M5.7 |
| Last geomagnetic storm | 2026/05/05 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 99.5 +20.2 |
| Last 30 days | 94.9 +1.3 |
This day in history*
Aurora on this day in history
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