Solar flares on January 21, 2002
The most powerful solar flare in 24 hours
C3.4 (normal) flare - January 21 at 6:29 AM
Solar activity index
Value as of the end of the day on January 21, 2002
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from January 20, 2002 to January 21, 2002
Time zone — UTC+03 (Simferopol)
List of solar flares for January 21, 2002
The total number of solar flares of class C and higher — 6 flares
C class — 6 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 21:15 | 21:19 | 21:21 | 9791 |
| C1.7 | 10:41 | 10:47 | 10:53 | 9789 |
| C1.6 | 08:36 | 08:39 | 08:41 | 9785 |
| C3.4 | 06:22 | 06:29 | 06:38 | 9788 |
| C1.7 | 04:35 | 04:39 | 04:49 | 9788 |
| C2.8 | 02:07 | 02:26 | 02:35 | 9788 |