Solar flares on September 8, 2025
The most powerful solar flare in 24 hours
C1.2 (normal) flare - September 8 at 7:30 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+03 (Moscow)
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 |
|---|---|---|---|---|
| C1.1 | 22:14 | 22:21 | 22:26 | 4207 |
| C1.2 | 19:22 | 19:30 | 19:33 | 4213 |
| C1.0 | 17:36 | 17:45 | 17:54 | — |
| C1.1 | 15:53 | 16:01 | 16:07 | 4213 |
| C1.0 | 15:12 | 15:17 | 15:21 | 4213 |
| C1.0 | 07:33 | 07:47 | 08:24 | 4211 |
| C1.2 | 06:27 | 06:56 | 07:21 | 4212 |
| C1.2 | 05:16 | 05:49 | 06:06 | 4212 |