Solar flares on September 20, 2023
The most powerful solar flare in 24 hours
M8.2 (strong) flare - September 20 at 7:19 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+05 (Ufa)
List of solar flares for September 20, 2023
The total number of solar flares of class C and higher — 11 flares
C class — 9 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C5.5 | 23:36 | 23:40 | 23:44 | 3438 |
| C4.2 | 22:34 | 23:02 | 23:24 | 3442 |
| M8.2 | 19:11 | 19:19 | 19:25 | 3435 |
| C3.4 | 17:09 | 17:12 | 17:17 | 3438 |
| C3.1 | 14:03 | 14:10 | 14:15 | 3437 |
| C2.3 | 11:38 | 11:52 | 12:08 | 3429 |
| C3.0 | 09:27 | 09:37 | 09:46 | — |
| C9.7 | 03:21 | 03:37 | 03:47 | 3435 |
| C2.0 | 02:42 | 02:47 | 02:51 | 3436 |
| C2.7 | 01:59 | 02:09 | 02:15 | 3436 |
| M4.0 | 01:01 | 01:14 | 01:21 | 3435 |