Solar flares on September 20, 2023
The most powerful solar flare in 24 hours
M8.2 (strong) flare - September 20 at 4:19 PM
Solar activity index
Value as of the end of the day on September 20, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 19, 2023 to September 20, 2023
Time zone — UTC+02 (Chisinau)
List of solar flares for September 20, 2023
The total number of solar flares of class C and higher — 10 flares
C class — 9 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.7 | 23:27 | 23:38 | 23:48 | 3442 |
| C1.3 | 22:29 | 22:38 | 22:44 | — |
| C5.5 | 20:36 | 20:40 | 20:44 | 3438 |
| C4.2 | 19:34 | 20:02 | 20:24 | 3442 |
| M8.2 | 16:11 | 16:19 | 16:25 | 3435 |
| C3.4 | 14:09 | 14:12 | 14:17 | 3438 |
| C3.1 | 11:03 | 11:10 | 11:15 | 3437 |
| C2.3 | 08:38 | 08:52 | 09:08 | 3429 |
| C3.0 | 06:27 | 06:37 | 06:46 | — |
| C9.7 | 00:21 | 00:37 | 00:47 | 3435 |