Solar flares on January 20, 2010
The most powerful solar flare in 24 hours
M3.4 (strong) flare - January 20 at 9:55 AM
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-08 (Victoria)
List of solar flares for January 20, 2010
The total number of solar flares of class C and higher — 9 flares
C class — 7 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C2.3 | 19:49 | 19:54 | 19:58 | 1041 |
| C4.9 | 17:16 | 17:20 | 17:24 | 1041 |
| M3.4 | 09:50 | 09:55 | 10:00 | 1041 |
| C1.0 | 09:28 | 09:33 | 09:35 | 1041 |
| C2.2 | 07:10 | 07:20 | 07:28 | 1041 |
| C1.3 | 05:19 | 05:25 | 05:44 | 1041 |
| C3.9 | 04:28 | 04:32 | 04:36 | 1041 |
| M1.8 | 02:46 | 02:59 | 03:10 | 1041 |
| C3.7 | 01:13 | 01:29 | 01:41 | 1041 |