Solar flares on March 21, 2015
The most powerful solar flare in 24 hours
C1.7 (normal) flare - March 21 at 2:09 AM
Solar activity index
Value as of the end of the day on March 21, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from March 20, 2015 to March 21, 2015
Time zone — UTC-06 (Santa Fe) — summer time
List of solar flares for March 21, 2015
The total number of solar flares of class C and higher — 1 flare
C class — 1 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.7 | 01:35 | 02:09 | 03:25 | — |