Solar flares on July 21, 2024
The most powerful solar flare in 24 hours
M1.5 (strong) flare - July 21 at 9:34 AM
Solar activity index
Value as of the end of the day on July 21, 2024
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 20, 2024 to July 21, 2024
Time zone — UTC+01 (Dublin) — summer time
List of solar flares for July 21, 2024
The total number of solar flares of class C and higher — 18 flares
C class — 15 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.4 | 22:47 | 22:56 | 23:04 | 3762 |
| C4.5 | 21:21 | 21:27 | 21:33 | 3744 |
| C4.7 | 21:04 | 21:12 | 21:21 | 3744 |
| M1.0 | 17:18 | 17:31 | 17:59 | 3757 |
| C3.5 | 16:59 | 17:03 | 17:07 | 3751 |
| C3.3 | 16:49 | 16:55 | 16:59 | 3744 |
| C3.4 | 15:24 | 15:27 | 15:43 | 3762 |
| C4.5 | 14:25 | 14:31 | 14:35 | 3751 |
| C5.8 | 13:30 | 13:37 | 13:44 | 3751 |
| C5.4 | 13:13 | 13:18 | 13:24 | 3744 |
| C4.8 | 13:00 | 13:08 | 13:13 | — |
| C5.8 | 12:01 | 12:07 | 12:19 | 3751 |
| C4.1 | 11:09 | 11:17 | 11:31 | 3744 |
| M1.5 | 09:28 | 09:34 | 09:41 | 3751 |
| C6.0 | 08:37 | 08:43 | 08:50 | 3751 |
| C4.3 | 06:41 | 06:44 | 06:48 | 3751 |
| M1.4 | 04:46 | 04:55 | 04:59 | 3744 |
| C7.4 | 03:03 | 03:07 | 03:13 | 3751 |