Solar flares on November 4, 2025
The most powerful solar flare in 24 hours
X1.8 (very strong) flare - November 4 at 10:34 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+05 (Perm)
List of solar flares for November 4, 2025
The total number of solar flares of class C and higher — 14 flares
C class — 12 | M class — 1 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| X1.8 | 22:15 | 22:34 | 22:51 | 4274 |
| C2.0 | 19:16 | 19:21 | 19:27 | 4274 |
| C2.9 | 16:51 | 17:01 | 17:07 | 4274 |
| C2.4 | 16:41 | 16:48 | 16:51 | 4274 |
| C1.9 | 16:09 | 16:14 | 16:28 | 4273 |
| C4.6 | 15:02 | 15:13 | 15:17 | — |
| C2.6 | 13:54 | 14:02 | 14:05 | 4275 |
| C2.1 | 11:11 | 11:19 | 11:39 | — |
| C3.4 | 10:25 | 10:28 | 10:32 | 4274 |
| M3.5 | 06:31 | 06:48 | 07:04 | 4274 |
| C8.7 | 04:37 | 05:08 | 05:33 | 4272 |
| C4.5 | 03:12 | 03:28 | 03:37 | 4274 |
| C2.0 | 02:43 | 02:51 | 03:00 | 4274 |
| C2.1 | 02:03 | 02:12 | 02:19 | 4274 |