Solar flares on May 21, 2023
The most powerful solar flare in 24 hours
M5.1 (strong) flare - May 21 at 2:06 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+03 (Riga)
List of solar flares for May 21, 2023
The total number of solar flares of class C and higher — 13 flares
C class — 10 | M class — 3 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M2.6 | 18:49 | 19:04 | 19:18 | 3311 |
| C4.6 | 18:04 | 18:17 | 18:29 | 3305 |
| C5.4 | 14:20 | 14:30 | 14:45 | 3305 |
| C4.9 | 11:27 | 11:34 | 11:48 | 3311 |
| C4.5 | 10:40 | 10:59 | 11:12 | 3305 |
| C4.1 | 09:40 | 09:49 | 09:53 | 3305 |
| C3.0 | 08:30 | 08:40 | 09:04 | 3311 |
| C3.0 | 07:57 | 08:03 | 08:08 | 3311 |
| C4.9 | 06:51 | 06:57 | 07:05 | 3311 |
| M1.4 | 05:18 | 05:23 | 05:33 | 3311 |
| C2.5 | 03:59 | 04:06 | 04:14 | 3305 |
| M5.1 | 01:52 | 02:06 | 02:21 | 3311 |
| C6.1 | 23:57 | 00:04 | 00:14 | 3311 |