Solar flares on August 21, 2024
The most powerful solar flare in 24 hours
M5.1 (strong) flare - August 21 at 5:08 PM
Solar activity index
Value as of the end of the day on August 21, 2024
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from August 20, 2024 to August 21, 2024
Time zone — UTC-05 (Des Moines) — summer time
List of solar flares for August 21, 2024
The total number of solar flares of class C and higher — 9 flares
C class — 7 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.0 | 23:33 | 23:39 | 23:49 | 3796 |
| C4.2 | 23:09 | 23:16 | 23:20 | — |
| C6.1 | 20:17 | 20:34 | 20:46 | 3789 |
| M5.1 | 16:59 | 17:08 | 17:17 | 3796 |
| C5.3 | 16:39 | 16:47 | 16:59 | — |
| C8.8 | 11:08 | 11:32 | 12:46 | 3784 |
| C3.8 | 09:17 | 09:24 | 09:31 | 3799 |
| C4.7 | 04:44 | 04:51 | 04:56 | 3784 |
| M1.1 | 00:53 | 01:02 | 01:11 | 3796 |