Solar flares on October 7, 2025
The most powerful solar flare in 24 hours
C9.1 (normal) flare - October 7 at 4:07 PM
Solar activity index
Value as of the end of the day on October 7, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 6, 2025 to October 7, 2025
Time zone — UTC-04 (Jacksonville) — summer time
List of solar flares for October 7, 2025
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C9.1 | 15:55 | 16:07 | 16:21 | 4233 |
| C5.6 | 07:20 | 07:29 | 07:34 | 4236 |