Solar flares on June 21, 2015
The most powerful solar flare in 24 hours
M3.8 (strong) flare - June 21 at 3:44 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-06 (El Paso) — summer time
List of solar flares for June 21, 2015
The total number of solar flares of class C and higher — 9 flares
C class — 7 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C7.5 | 23:09 | 23:19 | 23:40 | 2367 |
| C3.2 | 20:15 | 20:42 | 21:11 | 2371 |
| C6.5 | 16:28 | 16:40 | 16:55 | 2367 |
| C1.5 | 14:09 | 14:13 | 14:15 | 2371 |
| M1.1 | 12:10 | 12:20 | 12:28 | 2367 |
| C2.6 | 09:35 | 10:40 | 11:44 | 2367 |
| C1.4 | 08:29 | 08:32 | 08:34 | 2367 |
| C1.3 | 07:28 | 07:33 | 07:36 | 2367 |
| M3.8 | 03:38 | 03:44 | 03:50 | 2367 |