Solar flares on October 7, 2025
The most powerful solar flare in 24 hours
C9.1 (normal) flare - October 7 at 1:07 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-07 (Salem) — summer time
List of solar flares for October 7, 2025
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.0 | 22:04 | 22:15 | 22:29 | 4242 |
| C1.9 | 21:31 | 21:37 | 21:41 | 4232 |
| C9.1 | 12:55 | 13:07 | 13:21 | 4233 |
| C5.6 | 04:20 | 04:29 | 04:34 | 4236 |