Viewing archive of Wednesday, 4 April 2001
Solar flares
| Region | Start | Maximum | End | |
|---|---|---|---|---|
| - | C3.2 | 03:27 | 03:30 | 03:33 |
| - | C6.4 | 03:45 | 03:49 | 03:53 |
| 9415 | C5.6 | 05:05 | 05:33 | 06:17 |
| 9393 | C8.7 | 06:37 | 06:42 | 06:47 |
| - | C3.2 | 07:50 | 07:54 | 07:57 |
| 9415 | M1.6 | 09:41 | 10:27 | 11:11 |
| 9401 | M1.1 | 11:52 | 11:59 | 12:03 |
| - | M2 | 12:12 | 12:22 | 12:30 |
Latest news
Tuesday, 10 December 2019 - 18:50 UTC
Official Solar Cycle 25 Forecast Update
Monday, 9 December 2019 - 21:40 UTC
Welcome GOES-16!
Monday, 18 November 2019 - 20:12 UTC
Coronal hole faces Earth
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Space weather facts
| Last X-flare: | 2017/09/10 | X8.2 |
| Last M-flare: | 2017/10/20 | M1.0 |
| Last geomagnetic storm: | 2019/10/26 | Kp5 (G1) |
| Number of spotless days in 2019: | 270 | |
| Current stretch spotless days: | 43 | |