Solar flares on September 24, 2025
The most powerful solar flare in 24 hours
M1.6 (strong) flare - September 24 at 10:13 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+03 (Simferopol)
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 |
|---|---|---|---|---|
| M1.6 | 21:57 | 22:13 | 22:22 | 4224 |
| C2.4 | 19:54 | 20:03 | 20:13 | 4229 |
| C5.3 | 15:43 | 15:50 | 15:52 | 4226 |
| C3.5 | 13:52 | 13:57 | 13:59 | 4226 |
| M1.0 | 12:16 | 12:31 | 12:44 | 4224 |
| C2.5 | 06:44 | 06:51 | 07:01 | — |
| C5.5 | 06:23 | 06:31 | 06:37 | 4226 |
| C6.7 | 05:15 | 05:29 | 05:40 | 4223 |
| C2.9 | 04:15 | 04:41 | 05:00 | 4224 |
| C2.3 | 04:01 | 04:08 | 04:15 | 4224 |
| C2.0 | 01:34 | 01:43 | 01:54 | 4224 |