Solar flares on November 4, 2025
The most powerful solar flare in 24 hours
X1.8 (very strong) flare - November 4 at 8:34 PM
Solar activity index
Value as of the end of the day on November 4, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 3, 2025 to November 4, 2025
Time zone — UTC+03 (Oryol)
List of solar flares for November 4, 2025
The total number of solar flares of class C and higher — 15 flares
C class — 13 | M class — 1 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C9.3 | 23:09 | 23:19 | 23:26 | 4274 |
| X1.8 | 20:15 | 20:34 | 20:51 | 4274 |
| C2.0 | 17:16 | 17:21 | 17:27 | 4274 |
| C2.9 | 14:51 | 15:01 | 15:07 | 4274 |
| C2.4 | 14:41 | 14:48 | 14:51 | 4274 |
| C1.9 | 14:09 | 14:14 | 14:28 | 4273 |
| C4.6 | 13:02 | 13:13 | 13:17 | — |
| C2.6 | 11:54 | 12:02 | 12:05 | 4275 |
| C2.1 | 09:11 | 09:19 | 09:39 | — |
| C3.4 | 08:25 | 08:28 | 08:32 | 4274 |
| M3.5 | 04:31 | 04:48 | 05:04 | 4274 |
| C8.7 | 02:37 | 03:08 | 03:33 | 4272 |
| C4.5 | 01:12 | 01:28 | 01:37 | 4274 |
| C2.0 | 00:43 | 00:51 | 01:00 | 4274 |
| C2.1 | 00:03 | 00:12 | 00:19 | 4274 |