Solar flares on September 7, 2025
The most powerful solar flare in 24 hours
M1.2 (strong) flare - September 7 at 3:45 AM
Solar activity index
Value as of the end of the day on September 7, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 6, 2025 to September 7, 2025
Time zone — UTC+05:30 (Aligarh)
List of solar flares for September 7, 2025
The total number of solar flares of class C and higher — 15 flares
C class — 14 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.0 | 23:26 | 23:43 | 00:15 | 4213 |
| C2.5 | 21:08 | 21:31 | 22:05 | 4213 |
| C1.4 | 19:58 | 20:31 | 20:59 | 4212 |
| C3.6 | 18:03 | 18:14 | 18:21 | 4207 |
| C3.4 | 16:09 | 16:20 | 16:45 | 4202 |
| C3.6 | 15:37 | 15:42 | 15:47 | 4207 |
| C2.7 | 14:55 | 15:10 | 15:34 | 4202 |
| C3.3 | 13:19 | 13:27 | 13:35 | 4207 |
| C3.6 | 12:13 | 12:25 | 12:50 | 4202 |
| C6.3 | 10:40 | 10:50 | 11:03 | 4207 |
| C3.0 | 10:15 | 10:30 | 10:43 | 4213 |
| C3.3 | 09:24 | 09:42 | 10:15 | 4213 |
| C9.5 | 06:08 | 06:17 | 06:20 | 4207 |
| M1.2 | 03:37 | 03:45 | 03:47 | 4207 |
| C6.5 | 00:19 | 00:24 | 00:26 | 4207 |