Solar flares on May 21, 2021
The most powerful solar flare in 24 hours
C4.8 (normal) flare - May 21 at 11:28 PM
Solar activity index
Value as of the end of the day on May 21, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 20, 2021 to May 21, 2021
Time zone — UTC+04 (Saratov)
List of solar flares for May 21, 2021
The total number of solar flares of class C and higher — 1 flare
C class — 1 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C4.8 | 23:15 | 23:28 | 23:32 | 2824 |