Solar flares on October 3, 2025
The most powerful solar flare in 24 hours
M1.5 (strong) flare - October 3 at 7:23 AM
Solar activity index
Value as of the end of the day on October 3, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 2, 2025 to October 3, 2025
Time zone — UTC+02 (Monaco) — summer time
List of solar flares for October 3, 2025
The total number of solar flares of class C and higher — 7 flares
C class — 5 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.0 | 23:05 | 23:14 | 23:20 | 4242 |
| C7.3 | 19:02 | 19:16 | 19:33 | 4226 |
| C7.9 | 17:15 | 17:35 | 17:49 | 4238 |
| M1.2 | 16:19 | 16:36 | 17:15 | 4238 |
| C6.1 | 14:20 | 14:37 | 14:50 | 4226 |
| C9.7 | 08:02 | 08:11 | 08:26 | 4232 |
| M1.5 | 07:00 | 07:23 | 07:42 | 4236 |