Solar flares on September 24, 2025
The most powerful solar flare in 24 hours
M1.0 (strong) flare - September 24 at 7:01 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+09:30 (Adelaide)
List of solar flares for September 24, 2025
The total number of solar flares of class C and higher — 10 flares
C class — 9 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.3 | 22:13 | 22:20 | 22:22 | 4226 |
| C3.5 | 20:22 | 20:27 | 20:29 | 4226 |
| M1.0 | 18:46 | 19:01 | 19:14 | 4224 |
| C2.5 | 13:14 | 13:21 | 13:31 | — |
| C5.5 | 12:53 | 13:01 | 13:07 | 4226 |
| C6.7 | 11:45 | 11:59 | 12:10 | 4223 |
| C2.9 | 10:45 | 11:11 | 11:30 | 4224 |
| C2.3 | 10:31 | 10:38 | 10:45 | 4224 |
| C2.0 | 08:04 | 08:13 | 08:24 | 4224 |
| C1.9 | 03:47 | 03:55 | 04:11 | 4230 |