Solar flares on September 6, 2025
The most powerful solar flare in 24 hours
M1.2 (strong) flare - September 6 at 11:15 PM
Solar activity index
Value as of the end of the day on September 6, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 5, 2025 to September 6, 2025
Time zone — UTC+01 (London) — summer time
List of solar flares for September 6, 2025
The total number of solar flares of class C and higher — 9 flares
C class — 8 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M1.2 | 23:07 | 23:15 | 23:17 | 4207 |
| C6.5 | 19:49 | 19:54 | 19:56 | 4207 |
| C4.9 | 11:30 | 11:41 | 11:44 | 4197 |
| C1.8 | 09:19 | 09:22 | 09:25 | 4197 |
| C4.5 | 05:44 | 05:52 | 05:58 | 4207 |
| C3.5 | 05:06 | 05:14 | 05:18 | 4202 |
| C2.0 | 04:52 | 05:03 | 05:06 | 4207 |
| C2.3 | 02:34 | 02:42 | 02:47 | 4207 |
| C2.4 | 01:39 | 01:46 | 01:48 | — |