Viewing archive of Sunday, 30 March 2025
Coronal holes
All times in UTC
Latest news
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Latest forum messages
Solar filters and telescopes 26Growth of Cycle 25 859Unexplained proton activity 78Incoming & Unnumbered Active Regions 1872Line chart of indicators on the auror video, animated graph trace 35
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Latest alerts
21:15 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 20:58 UTC
20:39 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 50GW at 21:35 UTC
20:30 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 20:21 UTC
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/30 | M2.03 |
| Last geomagnetic storm | 2025/05/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2025 | 140.6 +6.4 |
| May 2025 | 77.9 -62.7 |
| Last 30 days | 102.3 -35 |