Solar flares on March 21, 2013
The most powerful solar flare in 24 hours
C3.5 (normal) flare - March 21 at 9:22 PM
Solar activity index
Value as of the end of the day on March 21, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 20, 2013 to March 21, 2013
Time zone — UTC+03 (Belgorod)
List of solar flares for March 21, 2013
The total number of solar flares of class C and higher — 3 flares
C class — 3 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.9 | 23:20 | 23:29 | 23:40 | 1692 |
| C3.5 | 21:10 | 21:22 | 21:28 | 1692 |
| C1.0 | 18:25 | 18:31 | 18:45 | 1692 |