Solar flares on July 21, 2021
The most powerful solar flare in 24 hours
C1.3 (normal) flare - July 21 at 8:05 PM
Solar activity index
Value as of the end of the day on July 21, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 20, 2021 to July 21, 2021
Time zone — UTC+00
List of solar flares for July 21, 2021
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 19:47 | 20:05 | 20:19 | 2845 |
| C1.2 | 15:55 | 16:04 | 16:11 | 2849 |