Solar flares on July 28, 2023
The most powerful solar flare in 24 hours
M4.1 (strong) flare - July 28 at 3:58 PM
Solar activity index
Value as of the end of the day on July 28, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 27, 2023 to July 28, 2023
Time zone — UTC+00
List of solar flares for July 28, 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 |
|---|---|---|---|---|
| C5.9 | 20:42 | 20:58 | 21:10 | 3390 |
| C2.2 | 20:02 | 20:06 | 20:10 | 3387 |
| M4.1 | 15:39 | 15:58 | 16:13 | 3376 |
| C7.8 | 14:44 | 14:51 | 15:05 | 3390 |
| C2.9 | 13:54 | 13:59 | 14:04 | 3386 |
| C3.0 | 13:39 | 13:44 | 13:54 | 3390 |
| C3.9 | 10:51 | 11:01 | 11:10 | 3380 |
| C3.3 | 07:50 | 07:58 | 08:03 | 3376 |
| C6.7 | 06:26 | 06:34 | 06:40 | 3376 |
| C7.4 | 01:33 | 01:46 | 02:20 | 3376 |