Solar flares on September 13, 2022
The most powerful solar flare in 24 hours
M1.7 (strong) flare - September 13 at 12:44 AM
Solar activity index
Value as of the end of the day on September 13, 2022
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 12, 2022 to September 13, 2022
Time zone — UTC+01 (London) — summer time
List of solar flares for September 13, 2022
The total number of solar flares of class C and higher — 13 flares
C class — 12 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.4 | 23:41 | 23:50 | 23:55 | — |
| C4.1 | 23:30 | 23:34 | 23:41 | 3098 |
| C2.4 | 22:57 | 23:01 | 23:04 | 3102 |
| C2.2 | 21:17 | 21:29 | 21:37 | 3098 |
| C2.5 | 18:50 | 18:55 | 19:02 | — |
| C4.9 | 18:25 | 18:28 | 18:32 | — |
| C9.2 | 16:07 | 16:16 | 16:28 | 3098 |
| C6.7 | 14:39 | 15:02 | 15:05 | 3102 |
| C7.0 | 13:31 | 13:36 | 13:40 | 3101 |
| C2.9 | 12:56 | 13:00 | 13:06 | 3098 |
| C4.0 | 12:27 | 12:30 | 12:34 | 3102 |
| C3.7 | 09:51 | 09:58 | 10:11 | 3101 |
| M1.7 | 00:37 | 00:44 | 00:48 | 3098 |