Solar flares on July 21, 2016
The most powerful solar flare in 24 hours
M1.2 (strong) flare - July 21 at 3:46 AM
Solar activity index
Value as of the end of the day on July 21, 2016
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from July 20, 2016 to July 21, 2016
Time zone — UTC+03 (Kaluga)
List of solar flares for July 21, 2016
The total number of solar flares of class C and higher — 13 flares
C class — 11 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.2 | 20:00 | 20:04 | 20:16 | 2567 |
| C1.2 | 18:38 | 18:42 | 18:47 | 2567 |
| C2.2 | 16:30 | 16:34 | 16:37 | 2567 |
| C9.1 | 15:47 | 15:55 | 16:03 | 2567 |
| C7.2 | 14:06 | 14:19 | 14:22 | 2567 |
| C1.0 | 12:40 | 12:44 | 12:48 | 2567 |
| C1.6 | 07:09 | 07:13 | 07:16 | — |
| M1.0 | 04:34 | 04:49 | 05:04 | 2567 |
| M1.2 | 03:42 | 03:46 | 03:50 | 2567 |
| C3.7 | 03:19 | 03:37 | 03:41 | 2567 |
| C3.4 | 02:45 | 02:51 | 02:54 | 2567 |
| C3.6 | 02:30 | 02:35 | 02:39 | 2567 |
| C4.6 | 01:03 | 01:17 | 01:54 | 2567 |