Solar flares on July 28, 2023
The most powerful solar flare in 24 hours
M4.1 (strong) flare - July 28 at 10:58 AM
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-05 (Chicago) — summer time
List of solar flares for July 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 |
|---|---|---|---|---|
| C5.9 | 15:42 | 15:58 | 16:10 | 3390 |
| C2.2 | 15:02 | 15:06 | 15:10 | 3387 |
| M4.1 | 10:39 | 10:58 | 11:13 | 3376 |
| C7.8 | 09:44 | 09:51 | 10:05 | 3390 |
| C2.9 | 08:54 | 08:59 | 09:04 | 3386 |
| C3.0 | 08:39 | 08:44 | 08:54 | 3390 |
| C3.9 | 05:51 | 06:01 | 06:10 | 3380 |
| C3.3 | 02:50 | 02:58 | 03:03 | 3376 |
| C6.7 | 01:26 | 01:34 | 01:40 | 3376 |