Solar flares on June 21, 2024
The most powerful solar flare in 24 hours
C7.3 (normal) flare - June 21 at 8:25 PM
Solar activity index
Value as of the end of the day on June 21, 2024
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 20, 2024 to June 21, 2024
Time zone — UTC-04 (Toronto) — summer time
List of solar flares for June 21, 2024
The total number of solar flares of class C and higher — 12 flares
C class — 12 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C7.3 | 20:12 | 20:25 | 20:30 | 3716 |
| C6.6 | 19:34 | 19:50 | 20:12 | — |
| C3.4 | 15:14 | 15:18 | 15:29 | 3720 |
| C5.1 | 14:23 | 14:29 | 14:38 | 3720 |
| C4.6 | 11:54 | 11:57 | 12:01 | 3713 |
| C4.6 | 10:53 | 10:58 | 11:08 | 3712 |
| C3.6 | 10:00 | 10:08 | 10:14 | — |
| C4.2 | 08:35 | 08:40 | 08:46 | 3716 |
| C3.9 | 07:02 | 07:10 | 07:16 | 3713 |
| C5.1 | 02:27 | 02:33 | 02:39 | 3713 |
| C5.3 | 00:56 | 01:07 | 01:42 | 3712 |
| C4.3 | 23:36 | 00:32 | 00:34 | 3713 |