Solar flares on May 28, 2025
The most powerful solar flare in 24 hours
C3.0 (normal) flare - May 28 at 7:31 PM
Solar activity index
Value as of the end of the day on May 28, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 27, 2025 to May 28, 2025
Time zone — UTC+03 (Moscow)
List of solar flares for May 28, 2025
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.4 | 20:09 | 20:14 | 20:18 | 4100 |
| C3.0 | 19:21 | 19:31 | 19:38 | 4099 |
| C1.5 | 18:32 | 18:39 | 18:46 | 4099 |
| C1.2 | 15:20 | 15:25 | 15:36 | 4099 |
| C2.0 | 14:40 | 14:47 | 14:54 | 4099 |
| C2.8 | 13:34 | 13:45 | 13:49 | — |
| C1.4 | 09:55 | 10:04 | 10:10 | 4099 |
| C1.9 | 08:55 | 08:58 | 09:02 | 4099 |
| C1.8 | 08:37 | 08:48 | 08:54 | 4099 |
| C2.1 | 04:18 | 04:21 | 04:25 | 4100 |
| C1.5 | 02:14 | 02:21 | 02:27 | 4100 |
| C1.6 | 00:31 | 00:38 | 00:45 | 4100 |