Solar flares on April 20, 2015
The most powerful solar flare in 24 hours
C2.4 (normal) flare - April 20 at 4:16 PM
Solar activity index
Value as of the end of the day on April 20, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from April 19, 2015 to April 20, 2015
Time zone — UTC-05 (Chicago) — summer time
List of solar flares for April 20, 2015
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 |
|---|---|---|---|---|
| C1.2 | 22:49 | 22:54 | 23:07 | 2322 |
| C2.4 | 15:40 | 16:16 | 17:15 | 2321 |
| C1.2 | 14:51 | 14:54 | 14:58 | — |