Solar flares on September 28, 2023
The most powerful solar flare in 24 hours
M1.2 (strong) flare - September 28 at 9:07 AM
Solar activity index
Value as of the end of the day on September 28, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 27, 2023 to September 28, 2023
Time zone — UTC+00
List of solar flares for September 28, 2023
The total number of solar flares of class C and higher — 9 flares
C class — 8 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.6 | 17:07 | 17:15 | 17:20 | 3445 |
| C3.0 | 13:56 | 14:04 | 14:09 | 3450 |
| C2.4 | 12:22 | 12:33 | 12:40 | 3450 |
| C1.9 | 10:46 | 10:51 | 10:57 | 3449 |
| M1.2 | 08:58 | 09:07 | 09:11 | 3450 |
| C3.4 | 06:01 | 06:11 | 06:16 | 3450 |
| C3.0 | 03:58 | 04:03 | 04:07 | 3450 |
| C1.5 | 03:48 | 03:53 | 03:58 | 3450 |
| C5.3 | 00:10 | 00:19 | 00:23 | 3450 |