Solar flares on October 4, 2024
The most powerful solar flare in 24 hours
M4.0 (strong) flare - October 4 at 12:55 AM
Solar activity index
Value as of the end of the day on October 4, 2024
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from October 3, 2024 to October 4, 2024
Time zone — UTC-04 (Toronto) — summer time
List of solar flares for October 4, 2024
The total number of solar flares of class C and higher — 10 flares
C class — 5 | M class — 5 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C7.3 | 23:36 | 23:42 | 23:47 | — |
| C7.4 | 22:54 | 22:59 | 23:03 | — |
| C7.4 | 22:18 | 22:30 | 22:37 | — |
| C7.0 | 21:36 | 21:44 | 21:55 | 3844 |
| M1.0 | 20:07 | 20:12 | 20:19 | 3842 |
| M1.2 | 18:04 | 18:11 | 18:18 | 3845 |
| M1.1 | 16:55 | 17:04 | 17:13 | 3844 |
| C7.5 | 14:00 | 14:08 | 14:18 | 3842 |
| M1.2 | 06:58 | 07:03 | 07:16 | 3836 |
| M4.0 | 00:36 | 00:55 | 01:07 | 3842 |