Solar flares on October 2, 2025
The most powerful solar flare in 24 hours
M1.5 (strong) flare - October 2 at 10:23 PM
Solar activity index
Value as of the end of the day on October 2, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 1, 2025 to October 2, 2025
Time zone — UTC-07 (Victoria) — summer time
List of solar flares for October 2, 2025
The total number of solar flares of class C and higher — 9 flares
C class — 8 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C9.7 | 23:02 | 23:11 | 23:26 | 4232 |
| M1.5 | 22:00 | 22:23 | 22:42 | 4236 |
| C2.2 | 13:26 | 13:33 | 13:40 | 4232 |
| C1.8 | 12:19 | 12:27 | 12:39 | 4236 |
| C3.0 | 09:56 | 10:03 | 10:09 | 4236 |
| C2.4 | 09:29 | 09:38 | 09:44 | — |
| C3.0 | 07:10 | 07:17 | 07:21 | — |
| C3.1 | 01:34 | 01:38 | 01:40 | 4230 |
| C2.8 | 00:06 | 00:21 | 00:57 | 4233 |