Solar flares on February 4, 2025
The most powerful solar flare in 24 hours
M4.7 (strong) flare - February 4 at 11:21 AM
Solar activity index
Value as of the end of the day on February 4, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from February 3, 2025 to February 4, 2025
Time zone — UTC+00
List of solar flares for February 4, 2025
The total number of solar flares of class C and higher — 17 flares
C class — 12 | M class — 5 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.3 | 21:07 | 21:12 | 21:16 | 3981 |
| C3.9 | 18:55 | 19:09 | 19:18 | 3981 |
| C2.6 | 17:47 | 17:54 | 18:02 | 3981 |
| C3.1 | 15:33 | 15:36 | 15:40 | 3981 |
| C4.2 | 14:42 | 14:49 | 14:54 | 3981 |
| M3.2 | 12:54 | 13:13 | 13:22 | 3977 |
| M4.7 | 11:09 | 11:21 | 11:26 | 3981 |
| C5.7 | 10:27 | 10:36 | 10:58 | 3981 |
| C3.6 | 10:03 | 10:09 | 10:17 | 3977 |
| C6.0 | 08:39 | 08:47 | 08:56 | 3981 |
| C4.1 | 08:19 | 08:27 | 08:39 | 3981 |
| M1.2 | 05:07 | 05:18 | 05:26 | 3977 |
| C7.9 | 03:31 | 03:40 | 03:45 | 3976 |
| C8.5 | 02:46 | 02:52 | 02:57 | 3978 |
| M2.6 | 01:35 | 01:48 | 02:03 | 3981 |
| M1.2 | 00:43 | 00:50 | 01:07 | 3981 |
| C7.2 | 00:07 | 00:22 | 00:28 | 3976 |