Kp-index
Kp-index forecast
| Min. | Max. | |
|---|---|---|
| Wednesday | Kp1+ | Kp3- |
| Thursday | Kp1+ | Kp4+ |
| Friday | Kp2+ | Kp4 |
Real Time Solar Wind
With the current speed, it will take the solar wind 60 minutes to propagate from ACE to Earth.
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
SWPC Display bug or other issues 37Possibility of X10-Class Flares During the Declining Phase? 15AR4431 21Unspecified geomagnetic activity 213AR4428 2
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Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/04 | M1.9 |
| 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 | 138.2 +58.9 |
| Last 30 days | 93.2 -6 |
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