Solar flares on June 21, 2023
The most powerful solar flare in 24 hours
M1.1 (strong) flare - June 21 at 4:44 AM
Solar activity index
Value as of the end of the day on June 21, 2023
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from June 20, 2023 to June 21, 2023
Time zone — UTC-08 (Anchorage) — summer time
List of solar flares for June 21, 2023
The total number of solar flares of class C and higher — 6 flares
C class — 4 | M class — 2 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C6.2 | 17:02 | 17:10 | 17:15 | 3337 |
| C5.5 | 12:39 | 12:48 | 12:54 | 3337 |
| C2.3 | 08:48 | 08:56 | 09:04 | — |
| M1.0 | 07:31 | 07:38 | 07:43 | 3337 |
| M1.1 | 04:31 | 04:44 | 04:54 | 3341 |
| C5.1 | 02:40 | 02:49 | 02:56 | 3341 |