Solar flares on January 21, 2017
The most powerful solar flare in 24 hours
C6.1 (normal) flare - January 21 at 2:08 AM
Solar activity index
Value as of the end of the day on January 21, 2017
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 20, 2017 to January 21, 2017
Time zone — UTC-09 (Anchorage)
List of solar flares for January 21, 2017
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 |
|---|---|---|---|---|
| C1.8 | 04:19 | 04:26 | 04:30 | 2628 |
| C6.1 | 01:59 | 02:08 | 02:11 | 2628 |
| C1.1 | 01:19 | 01:23 | 01:27 | 2628 |
| C1.0 | 00:40 | 00:46 | 00:52 | 2628 |