Solar flares on September 24, 2025
The most powerful solar flare in 24 hours
M1.6 (strong) flare - September 24 at 7:13 PM
Solar activity index
Value as of the end of the day on September 24, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 23, 2025 to September 24, 2025
Time zone — UTC+00
List of solar flares for September 24, 2025
The total number of solar flares of class C and higher — 11 flares
C class — 9 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.6 | 23:14 | 23:22 | 23:29 | 4226 |
| M1.6 | 18:57 | 19:13 | 19:22 | 4224 |
| C2.4 | 16:54 | 17:03 | 17:13 | 4229 |
| C5.3 | 12:43 | 12:50 | 12:52 | 4226 |
| C3.5 | 10:52 | 10:57 | 10:59 | 4226 |
| M1.0 | 09:16 | 09:31 | 09:44 | 4224 |
| C2.5 | 03:44 | 03:51 | 04:01 | — |
| C5.5 | 03:23 | 03:31 | 03:37 | 4226 |
| C6.7 | 02:15 | 02:29 | 02:40 | 4223 |
| C2.9 | 01:15 | 01:41 | 02:00 | 4224 |
| C2.3 | 01:01 | 01:08 | 01:15 | 4224 |