Solar flares on September 8, 2025
The most powerful solar flare in 24 hours
C1.5 (normal) flare - September 8 at 9:23 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-06 (Santa Fe) — summer time
List of solar flares for September 8, 2025
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.5 | 21:17 | 21:23 | 21:26 | 4207 |
| C1.1 | 13:14 | 13:21 | 13:26 | 4207 |
| C1.2 | 10:22 | 10:30 | 10:33 | 4213 |
| C1.0 | 08:36 | 08:45 | 08:54 | — |
| C1.1 | 06:53 | 07:01 | 07:07 | 4213 |
| C1.0 | 06:12 | 06:17 | 06:21 | 4213 |