Solar flares on May 21, 2023
The most powerful solar flare in 24 hours
M5.1 (strong) flare - May 21 at 4:06 AM
Solar activity index
Value as of the end of the day on May 21, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 20, 2023 to May 21, 2023
Time zone — UTC+05 (Ufa)
List of solar flares for May 21, 2023
The total number of solar flares of class C and higher — 17 flares
C class — 13 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M2.6 | 20:49 | 21:04 | 21:18 | 3311 |
| C4.6 | 20:04 | 20:17 | 20:29 | 3305 |
| C5.4 | 16:20 | 16:30 | 16:45 | 3305 |
| C4.9 | 13:27 | 13:34 | 13:48 | 3311 |
| C4.5 | 12:40 | 12:59 | 13:12 | 3305 |
| C4.1 | 11:40 | 11:49 | 11:53 | 3305 |
| C3.0 | 10:30 | 10:40 | 11:04 | 3311 |
| C3.0 | 09:57 | 10:03 | 10:08 | 3311 |
| C4.9 | 08:51 | 08:57 | 09:05 | 3311 |
| M1.4 | 07:18 | 07:23 | 07:33 | 3311 |
| C2.5 | 05:59 | 06:06 | 06:14 | 3305 |
| M5.1 | 03:52 | 04:06 | 04:21 | 3311 |
| C6.1 | 01:57 | 02:04 | 02:14 | 3311 |
| C6.4 | 01:19 | 01:28 | 01:34 | 3305 |
| C5.1 | 00:57 | 01:17 | 01:19 | 3305 |
| C3.6 | 00:37 | 00:45 | 00:57 | 3312 |
| M1.1 | 23:57 | 00:03 | 00:07 | 3311 |