Solar flares on April 20, 2021
The most powerful solar flare in 24 hours
M1.1 (strong) flare - April 20 at 2:42 AM
Solar activity index
Value as of the end of the day on April 20, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 19, 2021 to April 20, 2021
Time zone — UTC+03 (Moscow)
List of solar flares for April 20, 2021
The total number of solar flares of class C and higher — 2 flares
C class — 1 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 14:51 | 15:15 | 15:38 | 2814 |
| M1.1 | 02:19 | 02:42 | 02:59 | 2816 |