Solar flares on June 21, 2015
The most powerful solar flare in 24 hours
M3.8 (strong) flare - June 21 at 5:44 AM
Solar activity index
Value as of the end of the day on June 21, 2015
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 20, 2015 to June 21, 2015
Time zone — UTC-04 (Ottawa) — summer time
List of solar flares for June 21, 2015
The total number of solar flares of class C and higher — 8 flares
C class — 6 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C3.2 | 22:15 | 22:42 | 23:11 | 2371 |
| C6.5 | 18:28 | 18:40 | 18:55 | 2367 |
| C1.5 | 16:09 | 16:13 | 16:15 | 2371 |
| M1.1 | 14:10 | 14:20 | 14:28 | 2367 |
| C2.6 | 11:35 | 12:40 | 13:44 | 2367 |
| C1.4 | 10:29 | 10:32 | 10:34 | 2367 |
| C1.3 | 09:28 | 09:33 | 09:36 | 2367 |
| M3.8 | 05:38 | 05:44 | 05:50 | 2367 |