Solar flares on December 19, 2025
The most powerful solar flare in 24 hours
M1.0 (strong) flare - December 19 at 9:28 PM
Solar activity index
Value as of the end of the day on December 19, 2025
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from December 18, 2025 to December 19, 2025
Time zone — UTC+05:30 (Barakpur)
List of solar flares for December 19, 2025
The total number of solar flares of class C and higher — 6 flares
C class — 5 | M class — 1 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 22:34 | 22:46 | 22:54 | — |
| M1.0 | 21:05 | 21:28 | 21:38 | — |
| C2.2 | 18:44 | 19:13 | 19:28 | — |
| C1.7 | 11:38 | 11:50 | 11:58 | 4307 |
| C1.3 | 11:23 | 11:28 | 11:31 | 4307 |
| C1.9 | 11:04 | 11:13 | 11:19 | 4307 |