Solar flares on January 20, 2010
The most powerful solar flare in 24 hours
M3.4 (strong) flare - January 20 at 6:55 PM
Solar activity index
Value as of the end of the day on January 20, 2010
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 19, 2010 to January 20, 2010
Time zone — UTC+01 (Valletta)
List of solar flares for January 20, 2010
The total number of solar flares of class C and higher — 14 flares
C class — 10 | M class — 4 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| M3.4 | 18:50 | 18:55 | 19:00 | 1041 |
| C1.0 | 18:28 | 18:33 | 18:35 | 1041 |
| C2.2 | 16:10 | 16:20 | 16:28 | 1041 |
| C1.3 | 14:19 | 14:25 | 14:44 | 1041 |
| C3.9 | 13:28 | 13:32 | 13:36 | 1041 |
| M1.8 | 11:46 | 11:59 | 12:10 | 1041 |
| C3.7 | 10:13 | 10:29 | 10:41 | 1041 |
| M1.6 | 08:42 | 08:49 | 08:53 | 1041 |
| M1.0 | 07:45 | 08:27 | 08:34 | 1041 |
| C3.9 | 07:10 | 07:18 | 07:28 | 1041 |
| C5.0 | 05:48 | 05:57 | 06:03 | 1041 |
| C1.7 | 03:47 | 03:53 | 04:02 | 1041 |
| C4.0 | 01:10 | 01:22 | 01:30 | 1041 |
| C2.2 | 00:17 | 00:26 | 00:38 | 1041 |