Solar flares on September 8, 2025
The most powerful solar flare in 24 hours
C1.2 (normal) flare - September 8 at 9:30 PM
Solar activity index
Value as of the end of the day on September 8, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 7, 2025 to September 8, 2025
Time zone — UTC+05 (Salekhard)
List of solar flares for September 8, 2025
The total number of solar flares of class C and higher — 8 flares
C class — 8 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 21:22 | 21:30 | 21:33 | 4213 |
| C1.0 | 19:36 | 19:45 | 19:54 | — |
| C1.1 | 17:53 | 18:01 | 18:07 | 4213 |
| C1.0 | 17:12 | 17:17 | 17:21 | 4213 |
| C1.0 | 09:33 | 09:47 | 10:24 | 4211 |
| C1.2 | 08:27 | 08:56 | 09:21 | 4212 |
| C1.2 | 07:16 | 07:49 | 08:06 | 4212 |
| C1.2 | 01:43 | 01:50 | 01:56 | 4207 |