Solar flares on June 28, 2023
The most powerful solar flare in 24 hours
M1.9 (strong) flare - June 28 at 9:44 AM
Solar activity index
Value as of the end of the day on June 28, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 27, 2023 to June 28, 2023
Time zone — UTC+01 (Dublin) — summer time
List of solar flares for June 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 |
|---|---|---|---|---|
| C1.5 | 20:44 | 20:51 | 21:02 | — |
| C5.0 | 19:54 | 19:58 | 20:03 | 3348 |
| C5.4 | 19:33 | 19:39 | 19:43 | 3354 |
| C1.8 | 17:41 | 17:44 | 17:48 | — |
| M1.9 | 09:26 | 09:44 | 09:59 | 3340 |
| C1.6 | 05:02 | 05:09 | 05:15 | 3354 |
| C1.3 | 04:28 | 04:35 | 04:44 | 3354 |
| C3.3 | 03:14 | 03:23 | 03:33 | — |
| C1.4 | 01:29 | 01:32 | 01:39 | 3354 |
| C1.7 | 00:17 | 00:24 | 00:31 | 3351 |