Solar flares on November 20, 2025
The most powerful solar flare in 24 hours
C2.3 (normal) flare - November 20 at 2:04 AM
Solar activity index
Value as of the end of the day on November 20, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from November 19, 2025 to November 20, 2025
Time zone — UTC-08 (Abbotsford)
List of solar flares for November 20, 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 |
|---|---|---|---|---|
| C1.3 | 21:18 | 21:36 | 21:56 | — |
| C1.1 | 20:19 | 20:25 | 20:30 | 4287 |
| C1.1 | 18:58 | 19:02 | 19:06 | 4288 |
| C1.1 | 18:35 | 18:45 | 18:58 | 4288 |
| C1.1 | 16:49 | 16:55 | 17:03 | 4284 |
| C1.1 | 16:37 | 16:41 | 16:47 | 4284 |
| C2.3 | 01:59 | 02:04 | 02:09 | 4286 |
| C1.8 | 01:21 | 01:28 | 01:34 | 4284 |
| C1.8 | 23:54 | 00:23 | 01:08 | — |