Solar flares on May 28, 2021
The most powerful solar flare in 24 hours
C9.4 (normal) flare - May 28 at 3:13 PM
Solar activity index
Value as of the end of the day on May 28, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 27, 2021 to May 28, 2021
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for May 28, 2021
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 21:39 | 21:50 | 21:57 | 2826 |
| C1.1 | 19:47 | 19:52 | 19:57 | 2826 |
| C1.0 | 19:19 | 19:24 | 19:32 | 2826 |
| C9.4 | 14:19 | 15:13 | 16:12 | 2824 |
| C3.0 | 01:47 | 01:57 | 02:01 | 2826 |