Solar flares on November 11, 2025
The most powerful solar flare in 24 hours
X5.1 (very strong) flare - November 11 at 4:04 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-06 (Chicago)
List of solar flares for November 11, 2025
The total number of solar flares of class C and higher — 13 flares
C class — 11 | M class — 1 | X class — 1
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 22:59 | 23:07 | 23:12 | 4276 |
| C2.4 | 20:49 | 20:56 | 21:03 | 4274 |
| C1.8 | 20:35 | 20:40 | 20:42 | 4274 |
| C1.9 | 19:32 | 19:48 | 19:56 | 4274 |
| C2.9 | 16:15 | 16:21 | 16:25 | 4274 |
| C4.2 | 10:51 | 10:58 | 11:04 | 4274 |
| C2.7 | 09:32 | 09:36 | 09:40 | 4277 |
| X5.1 | 03:49 | 04:04 | 04:17 | 4274 |
| C6.8 | 02:33 | 02:38 | 02:43 | 4274 |
| M1.4 | 02:02 | 02:09 | 02:13 | 4274 |
| C4.8 | 01:32 | 01:41 | 01:47 | 4274 |
| C3.8 | 00:39 | 00:45 | 00:50 | 4274 |
| C4.6 | 00:23 | 00:28 | 00:32 | 4274 |