Solar flares on May 20, 2023
The most powerful solar flare in 24 hours
M8.9 (strong) flare - May 20 at 12:35 PM
Solar activity index
Value as of the end of the day on May 20, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 19, 2023 to May 20, 2023
Time zone — UTC+00
List of solar flares for May 20, 2023
The total number of solar flares of class C and higher — 27 flares
C class — 19 | M class — 8 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M5.1 | 22:52 | 23:06 | 23:21 | 3311 |
| C6.1 | 20:57 | 21:04 | 21:14 | 3311 |
| C6.4 | 20:19 | 20:28 | 20:34 | 3305 |
| C5.1 | 19:57 | 20:17 | 20:19 | 3305 |
| C3.6 | 19:37 | 19:45 | 19:57 | 3312 |
| M1.1 | 18:57 | 19:03 | 19:07 | 3311 |
| C7.2 | 18:42 | 18:54 | 18:57 | 3311 |
| C4.7 | 17:59 | 18:08 | 18:15 | 3311 |
| C3.7 | 17:37 | 17:46 | 17:59 | 3311 |
| C4.9 | 17:00 | 17:05 | 17:09 | 3311 |
| C4.1 | 16:48 | 16:54 | 16:58 | 3311 |
| C3.3 | 16:14 | 16:18 | 16:30 | 3311 |
| M5.6 | 14:54 | 15:00 | 15:04 | 3311 |
| C7.2 | 14:18 | 14:25 | 14:33 | 3311 |
| M8.9 | 12:25 | 12:35 | 12:40 | 3311 |
| M1.6 | 10:48 | 10:54 | 11:10 | 3311 |
| M1.1 | 09:18 | 09:27 | 09:32 | 3312 |
| M6.4 | 07:16 | 07:32 | 07:36 | 3311 |
| M1.0 | 06:49 | 07:02 | 07:12 | 3311 |
| C3.2 | 05:42 | 05:53 | 06:01 | 3311 |
| C6.9 | 04:36 | 04:50 | 04:57 | 3312 |
| C3.2 | 04:18 | 04:24 | 04:30 | 3312 |
| C5.1 | 03:08 | 03:17 | 03:22 | 3305 |
| C5.4 | 02:37 | 02:40 | 02:44 | 3311 |
| C4.9 | 02:24 | 02:33 | 02:37 | 3311 |
| C2.7 | 00:37 | 00:47 | 01:02 | 3305 |
| C2.9 | 00:13 | 00:23 | 00:29 | 3312 |