Solar flares on September 7, 2025
The most powerful solar flare in 24 hours
M1.2 (strong) flare - September 7 at 12:15 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+02 (Zagreb) — summer time
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 |
|---|---|---|---|---|
| C1.2 | 22:43 | 22:50 | 22:56 | 4207 |
| C4.0 | 19:56 | 20:13 | 20:45 | 4213 |
| C2.5 | 17:38 | 18:01 | 18:35 | 4213 |
| C1.4 | 16:28 | 17:01 | 17:29 | 4212 |
| C3.6 | 14:33 | 14:44 | 14:51 | 4207 |
| C3.4 | 12:39 | 12:50 | 13:15 | 4202 |
| C3.6 | 12:07 | 12:12 | 12:17 | 4207 |
| C2.7 | 11:25 | 11:40 | 12:04 | 4202 |
| C3.3 | 09:49 | 09:57 | 10:05 | 4207 |
| C3.6 | 08:43 | 08:55 | 09:20 | 4202 |
| C6.3 | 07:10 | 07:20 | 07:33 | 4207 |
| C3.0 | 06:45 | 07:00 | 07:13 | 4213 |
| C3.3 | 05:54 | 06:12 | 06:45 | 4213 |
| C9.5 | 02:38 | 02:47 | 02:50 | 4207 |
| M1.2 | 00:07 | 00:15 | 00:17 | 4207 |