Solar flares on September 28, 2023
The most powerful solar flare in 24 hours
M1.2 (strong) flare - September 28 at 4:07 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-05 (Memphis) — summer time
List of solar flares for September 28, 2023
The total number of solar flares of class C and higher — 7 flares
C class — 6 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 22:08 | 22:17 | 22:27 | 3445 |
| C2.6 | 12:07 | 12:15 | 12:20 | 3445 |
| C3.0 | 08:56 | 09:04 | 09:09 | 3450 |
| C2.4 | 07:22 | 07:33 | 07:40 | 3450 |
| C1.9 | 05:46 | 05:51 | 05:57 | 3449 |
| M1.2 | 03:58 | 04:07 | 04:11 | 3450 |
| C3.4 | 01:01 | 01:11 | 01:16 | 3450 |