Solar flares on September 29, 2025
The most powerful solar flare in 24 hours
M3.6 (strong) flare - September 29 at 7:15 AM
Solar activity index
Value as of the end of the day on September 29, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 28, 2025 to September 29, 2025
Time zone — UTC+05:30 (Manali)
List of solar flares for September 29, 2025
The total number of solar flares of class C and higher — 24 flares
C class — 20 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.0 | 22:42 | 22:47 | 22:50 | 4233 |
| C3.0 | 22:25 | 22:34 | 22:42 | 4236 |
| C3.3 | 22:00 | 22:08 | 22:13 | 4236 |
| C2.5 | 21:20 | 21:25 | 21:31 | 4227 |
| C3.4 | 20:07 | 20:12 | 20:16 | 4236 |
| C4.3 | 19:47 | 19:55 | 20:01 | 4236 |
| C8.3 | 17:44 | 17:48 | 17:52 | 4230 |
| M1.0 | 17:26 | 17:29 | 17:32 | 4233 |
| M1.1 | 16:53 | 17:09 | 17:22 | 4232 |
| M1.0 | 16:36 | 16:45 | 16:48 | 4236 |
| C3.0 | 14:39 | 14:45 | 14:53 | — |
| C3.6 | 13:24 | 13:32 | 13:39 | 4236 |
| C3.9 | 12:42 | 12:52 | 13:03 | 4233 |
| C6.5 | 09:41 | 09:44 | 09:47 | 4232 |
| C4.4 | 09:19 | 09:28 | 09:41 | 4227 |
| C2.9 | 08:44 | 08:51 | 08:54 | 4236 |
| M3.6 | 07:07 | 07:15 | 07:17 | 4232 |
| C5.8 | 05:11 | 05:16 | 05:18 | 4233 |
| C6.3 | 04:54 | 05:05 | 05:11 | 4233 |
| C3.3 | 03:40 | 03:47 | 03:51 | — |
| C5.5 | 03:13 | 03:20 | 03:26 | 4235 |
| C9.6 | 01:47 | 02:04 | 02:21 | 4233 |
| C7.4 | 01:07 | 01:26 | 01:31 | 4232 |
| C2.9 | 00:42 | 00:51 | 00:57 | 4236 |