Solar flares on October 3, 2025
The most powerful solar flare in 24 hours
M1.5 (strong) flare - October 3 at 5:23 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+00
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 | 21:05 | 21:14 | 21:20 | 4242 |
| C7.3 | 17:02 | 17:16 | 17:33 | 4226 |
| C7.9 | 15:15 | 15:35 | 15:49 | 4238 |
| M1.2 | 14:19 | 14:36 | 15:15 | 4238 |
| C6.1 | 12:20 | 12:37 | 12:50 | 4226 |
| C9.7 | 06:02 | 06:11 | 06:26 | 4232 |
| M1.5 | 05:00 | 05:23 | 05:42 | 4236 |