Solar flares on December 19, 2021
The most powerful solar flare in 24 hours
C3.7 (normal) flare - December 19 at 9:12 PM
Solar activity index
Value as of the end of the day on December 19, 2021
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 18, 2021 to December 19, 2021
Time zone — UTC+00
List of solar flares for December 19, 2021
The total number of solar flares of class C and higher — 4 flares
C class — 4 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.7 | 20:59 | 21:12 | 21:27 | 2907 |
| C1.8 | 19:04 | 19:16 | 19:28 | 2907 |
| C1.8 | 16:15 | 16:23 | 16:27 | 2907 |
| C1.5 | 11:51 | 11:59 | 12:03 | 2907 |