Solar flares on November 21, 2025
The most powerful solar flare in 24 hours
C3.8 (normal) flare - November 21 at 8:30 PM
Solar activity index
Value as of the end of the day on November 21, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 20, 2025 to November 21, 2025
Time zone — UTC+07 (Norilsk)
List of solar flares for November 21, 2025
The total number of solar flares of class C and higher — 9 flares
C class — 9 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.8 | 20:21 | 20:30 | 20:33 | 4290 |
| C1.0 | 18:56 | 19:00 | 19:04 | 4284 |
| C1.0 | 14:55 | 15:03 | 15:11 | 4284 |
| C1.3 | 12:18 | 12:36 | 12:56 | — |
| C1.1 | 11:19 | 11:25 | 11:30 | 4287 |
| C1.1 | 09:58 | 10:02 | 10:06 | 4288 |
| C1.1 | 09:35 | 09:45 | 09:58 | 4288 |
| C1.1 | 07:49 | 07:55 | 08:03 | 4284 |
| C1.1 | 07:37 | 07:41 | 07:47 | 4284 |