Solar flares on May 21, 2014
The most powerful solar flare in 24 hours
C6.4 (normal) flare - May 21 at 10:10 PM
Solar activity index
Value as of the end of the day on May 21, 2014
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from May 20, 2014 to May 21, 2014
Time zone — UTC-05 (Chicago) — summer time
List of solar flares for May 21, 2014
The total number of solar flares of class C and higher — 2 flares
C class — 2 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.4 | 22:04 | 22:10 | 22:14 | 2072 |
| C1.6 | 02:09 | 02:23 | 02:31 | 2066 |