Solar flares on November 11, 2025
The most powerful solar flare in 24 hours
X5.1 (very strong) flare - November 11 at 10:04 AM
Solar activity index
Value as of the end of the day on November 11, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 10, 2025 to November 11, 2025
Time zone — UTC+00
List of solar flares for November 11, 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 |
|---|---|---|---|---|
| C2.9 | 22:15 | 22:21 | 22:25 | 4274 |
| C4.2 | 16:51 | 16:58 | 17:04 | 4274 |
| C2.7 | 15:32 | 15:36 | 15:40 | 4277 |
| X5.1 | 09:49 | 10:04 | 10:17 | 4274 |
| C6.8 | 08:33 | 08:38 | 08:43 | 4274 |
| M1.4 | 08:02 | 08:09 | 08:13 | 4274 |
| C4.8 | 07:32 | 07:41 | 07:47 | 4274 |
| C3.8 | 06:39 | 06:45 | 06:50 | 4274 |
| C4.6 | 06:23 | 06:28 | 06:32 | 4274 |
| C3.5 | 04:22 | 04:35 | 04:38 | 4274 |
| C2.8 | 03:46 | 03:54 | 04:04 | 4274 |
| C3.7 | 03:15 | 03:25 | 03:30 | 4274 |
| C2.9 | 02:48 | 02:55 | 02:58 | 4279 |
| C4.2 | 02:16 | 02:23 | 02:28 | 4274 |